As an Amazon Associate I earn from qualifying purchases.

Compatible modelscaldera 50, pcd50n, 73532, 1019401, caldera spas, c-7350, fc-3963. Quality guaranteesix-months return policy guaranteed if the products are with any quality shortages! We attach great importance to all customer's perfect experience of our products.
Note: the manufacturer’s name and part number have been used for reference purposes only. Cryspool is an independent brand. Easy cleaningthe improved trilobal fabric filter structure enables the deep penetration of impurities into filter pleats when we wash it, the filter is a totally brand-new one after cleaning. And we are equipped with professional service to provide technical support for every customer.

Filters may Be Green or Blue. Ft. Our premium filter material keeps your water clearer and is easier to clean. The 10 sq. We're committed to creating affordable, high quality pool filtration products and accessories. Click add-to-cart or 1-click Buy to order your pool/spa filter cartridge today! Easy to clean - guardian filtration products are designed to be long lasting and easy to clean so you can keep your pool and spa crystal clear and safe for you and your family.
Of premium filter material is easier to clean, 2 11/16 inch 2. 6875" open hole bottom, filters better and lasts longer. Dimensions - this replacement pool filter cartridge has a handle top, 7 inch 7" diameter and 14 7/8 inch 14. 875" length. Having multiple filters on hand can help extend the life of each and protects your pool or spa because you can keep 1 filter active while cleaning the other for zero filtration downtime.

Note: the manufacturer’s name and part number have been used for reference purposes only. And we are equipped with professional service to provide technical support for every customer. It’s recommended to clean the filter when the pressure gauge reaches the predetermined value, so as to take full advantage of its performance.
Sizelength:14-3/4"; outer dimension:7"; top: semi-circular handle; Bottom: 2-11/16" opening;Filtration Area: 75 sq. Ft. Qualified materialthe advanced material of trilobal fibers is utilized. It makes water filtration more thoroughly and service life longer. Easy cleaningthe improved trilobal fabric filter structure enables the deep penetration of impurities into filter pleats when we wash it, the filter is a totally brand-new one after cleaning.

Sizelength: 16 1/2"; outer dimension: 8"; top: handle; Bottom: 3 1/2" open;Filtration Area: 100 sq. Easy cleaningthe improved trilobal fabric filter structure enables the deep penetration of impurities into filter pleats when we wash it, the filter is a totally brand-new one after cleaning.
Compatible modelscaldera utopia 73722, geneva, niagara, aspire series, caldera spa tahitian, c-8399, 1039607, pcd100w, fc-3965, Caldera 100. Quality guaranteesix-months return policy guaranteed if the products are with any quality shortages! We attach great importance to all customer's perfect experience of our products. Note: the manufacturer’s name and part number have been used for reference purposes only.


Guardian filtration products has been operating out of northwest Pennsylvania since 2003. Easy to clean - guardian filtration products are designed to be long lasting and easy to clean so you can keep your pool and spa crystal clear and safe for you and your family.
Click add-to-cart or 1-click Buy to order your pool/spa filter cartridge today! Our premium filter material keeps your water clearer and is easier to clean. Filters may be green or blue replacement filter - get purer, c-7350, fc-3963 unicel c7350, cleaner water in your pool or spa with these replacement cartridge filters compatible for Caldera Spa 50 2003, Pleatco PCN50N Filters May Be Green or Blue.


1. Caldera
#ad
Caldera Spa 100 Sq Ft Filter Utopia Series 2005 to Current Part #73722
#adCaldera #ad - This spa filter is designed to fit the following hot tubs and spas: caldera tahitian 2005-Current, Caldera Geneva 2005-Current, Caldera Niagara 2005-Current, Caldera Aspire 2004-2008 and Caldera Elation 2003-2010.More information #ad
Brand | Caldera #ad |
Manufacturer | Watkins Wellness #ad |
Weight | 96 ounces |
Part Number | 73722 |
Model | 73722 |
More information #ad
2. Cryspool
#ad
Unicel C-7350, 1019401, Cryspool Spa Filter Compatible with Caldera 50, PCD50N, Caldera Spas, FC-3963, 50 sq.ft hot tub Filter, 1 Pack, 73532
#adCryspool #ad - Qualified materialthe advanced material of trilobal fibers is utilized. It’s recommended to clean the filter when the pressure gauge reaches the predetermined value, so as to take full advantage of its performance. Cutting-edge technologies make the capacity higher than common point-bond fabric.Compatible modelscaldera 50, pcd50n, 73532, 1019401, caldera spas, c-7350, fc-3963. Quality guaranteesix-months return policy guaranteed if the products are with any quality shortages! We attach great importance to all customer's perfect experience of our products.
More information #ad
Sizelength:10-3/4"; outer dimension:7"; top: semi-circular handle; Bottom: 2-11/16" opening;Filtration Area: 50 sq. Ft. It makes water filtration more thoroughly and service life longer. Note: the manufacturer’s name and part number have been used for reference purposes only. Cryspool is an independent brand. Easy cleaningthe improved trilobal fabric filter structure enables the deep penetration of impurities into filter pleats when we wash it, the filter is a totally brand-new one after cleaning. And we are equipped with professional service to provide technical support for every customer.
Brand | Cryspool #ad |
Manufacturer | CRYSPOOL #ad |
Height | 10.75 Inches |
Length | 7 Inches |
Width | 7 Inches |
Part Number | CP-07022 |
Model | CP-07022 |
More information #ad
3. Guardian Filtration Products
#ad
Guardian Filtration Products 714-216-01 Spa Filter Replacement for Pleatco PCD75N, FC-3964, Unicel C-7375, Caldera Spa 75, Hot Spot & More. Made in The USA, Watkins
#adGuardian Filtration Products #ad - Filters may be green or blue replacement filter - get purer, cleaner water in your pool or spa with these replacement cartridge filters compatible for Pleatco PCD75N, Filbur FC-3964, caldera spas, Unicel C-7375, Hot Spot Spas, Watkins and other manufacturers.Filters may Be Green or Blue. Ft. Our premium filter material keeps your water clearer and is easier to clean. The 10 sq. We're committed to creating affordable, high quality pool filtration products and accessories. Click add-to-cart or 1-click Buy to order your pool/spa filter cartridge today! Easy to clean - guardian filtration products are designed to be long lasting and easy to clean so you can keep your pool and spa crystal clear and safe for you and your family.
More information #ad
Guardian filtration products has been operating out of northwest Pennsylvania since 2003. Of premium filter material is easier to clean, 2 11/16 inch 2. 6875" open hole bottom, filters better and lasts longer. Dimensions - this replacement pool filter cartridge has a handle top, 7 inch 7" diameter and 14 7/8 inch 14. 875" length. Having multiple filters on hand can help extend the life of each and protects your pool or spa because you can keep 1 filter active while cleaning the other for zero filtration downtime.
Brand | Guardian Filtration Products #ad |
Manufacturer | Guardian Filtration Products #ad |
Height | 5.51 Inches |
Length | 2.68 Inches |
Width | 2.72 Inches |
Part Number | 714-216 |
Model | 714-216 |
More information #ad
4. Cryspool
#ad
C-7375, FC-3964, 73531, PCD75N, 75 sq.ft, 1 Pack, 1019301, Cryspool Spa Filter Compatible with Caldera 75
#adCryspool #ad - Cutting-edge technologies make the capacity higher than common point-bond fabric. Quality guaranteesix-months return policy guaranteed if the products are with any quality shortages! We attach great importance to all customer's perfect experience of our products.Note: the manufacturer’s name and part number have been used for reference purposes only. And we are equipped with professional service to provide technical support for every customer. It’s recommended to clean the filter when the pressure gauge reaches the predetermined value, so as to take full advantage of its performance.
More information #ad
Compatible models caldera 75 spas utopia 2003 - 2004, 1019301, pcd75n, paradise 2003 - current, 73531, fc-3964. Cryspool is an independent brand. Sizelength:14-3/4"; outer dimension:7"; top: semi-circular handle; Bottom: 2-11/16" opening;Filtration Area: 75 sq. Ft. Qualified materialthe advanced material of trilobal fibers is utilized. It makes water filtration more thoroughly and service life longer. Easy cleaningthe improved trilobal fabric filter structure enables the deep penetration of impurities into filter pleats when we wash it, the filter is a totally brand-new one after cleaning.
Brand | Cryspool #ad |
Manufacturer | CRYSPOOL #ad |
Height | 14.75 Inches |
Length | 7 Inches |
Width | 7 Inches |
Part Number | CP-07043 |
Model | CP-07043 |
More information #ad
5. Cryspool
#ad
FC-3965,100 sq.ft, C-8399,PCD100W, 1 Pack, Cryspool Spa Filter Compatible with Caldera Utopia 73722,1039607
#adCryspool #ad - It’s recommended to clean the filter when the pressure gauge reaches the predetermined value, so as to take full advantage of its performance. It makes water filtration more thoroughly and service life longer. Ft. And we are equipped with professional service to provide technical support for every customer.Sizelength: 16 1/2"; outer dimension: 8"; top: handle; Bottom: 3 1/2" open;Filtration Area: 100 sq. Easy cleaningthe improved trilobal fabric filter structure enables the deep penetration of impurities into filter pleats when we wash it, the filter is a totally brand-new one after cleaning.
More information #ad
Cutting-edge technologies make the capacity higher than common point-bond fabric. Cryspool is an independent brand. Qualified materialthe advanced material of trilobal fibers is utilized. Compatible modelscaldera utopia 73722, geneva, niagara, aspire series, caldera spa tahitian, c-8399, 1039607, pcd100w, fc-3965, Caldera 100. Quality guaranteesix-months return policy guaranteed if the products are with any quality shortages! We attach great importance to all customer's perfect experience of our products. Note: the manufacturer’s name and part number have been used for reference purposes only.
Brand | Cryspool #ad |
Manufacturer | cryspool #ad |
Height | 16.5 Inches |
Length | 6 Inches |
Width | 6 Inches |
Part Number | 1 |
Model | CP-08010 |
More information #ad
6. Unicel
#ad
71828, Tiger River 31114, Unicel C-8465 65 Square Foot Hot Tub and Spa Replacement Pool Filter Cartridge for Caldera 76136, Hot Springs 31114, 71827
#adUnicel #ad - Good replacement for: replaces caldera spas 76136; hot springs Spas 31114, 71827, 71828; and Tiger River Spas 31114. Quality replacement filter: High quality 65 square foot filter media replacement cartridge that is made in the USA.More information #ad
Pleat count: this replacement cartridge has a pleat count of 234. Size: top and bottom hole: 3-inch opening | Diameter: 8. 5 inches. Model: model c-8465 hot tub and spa replacement filter cartridge with a 1-year manufacturer warranty.Brand | Unicel #ad |
Manufacturer | Unicel - Distribution #ad |
Height | 0 Inches |
Length | 0 Inches |
Weight | 4.28 Pounds |
Width | 0 Inches |
Part Number | C8465 |
Model | C-8465 |
More information #ad
7. Guardian Filtration Products
#ad
Watkins, Guardian Filtration Products 710-160-01 Pool Spa Filter Replaces Caldera Spa 50 2003- C-7350,FC-3963 Unicel C7350, Pleatco Pcn50N
#adGuardian Filtration Products #ad - Multi pack savings - choose from our value savings single, double or 4 pack filter bundle. Having multiple filters on hand can help extend the life of each and protects your pool or spa because you can keep 1 filter active while cleaning the other for zero filtration downtime.Guardian filtration products has been operating out of northwest Pennsylvania since 2003. Easy to clean - guardian filtration products are designed to be long lasting and easy to clean so you can keep your pool and spa crystal clear and safe for you and your family.
More information #ad
Dimensions - diameter: 7"; length: 10 3/4"; top: Handle Bottom: Open Hole: 2 11/16". We're committed to creating affordable, high quality pool filtration products and accessories. Click add-to-cart or 1-click Buy to order your pool/spa filter cartridge today! Our premium filter material keeps your water clearer and is easier to clean. Filters may be green or blue replacement filter - get purer, c-7350, fc-3963 unicel c7350, cleaner water in your pool or spa with these replacement cartridge filters compatible for Caldera Spa 50 2003, Pleatco PCN50N Filters May Be Green or Blue.
Brand | Guardian Filtration Products #ad |
Manufacturer | Guardian Filtration Products #ad |
Height | 4.09 Inches |
Length | 2.68 Inches |
Width | 2.68 Inches |
Part Number | 710-200 |
Model | 710-200 |
More information #ad
8. Spa & Sauna Parts
#ad
Spa & Sauna Parts Caldera Spas 50 Sq. ft. Part Number 1019401 Replacement Filter
#adSpa & Sauna Parts #ad - Ft. 50 sq. 7000 series cartridge for Caldera Spas new style Filter. Media area 50 sq ft, 10 3/4" long, open hole: 2 11/16" Bottom, semi circular Handle Top, 7" od, . Semi circular handle bottom: Open Hole: 2 11/16".More information #ad
Brand | Spa & Sauna Parts #ad |
Manufacturer | Spa & Sauna Parts #ad |
Part Number | PD-7386 |
Model | PD-7386 |
More information #ad
9. Filbur
#ad
Filbur FC-3965 Antimicrobial Replacement Filter Cartridge for Caldera 100 Pool and Spa Filter
#adFilbur #ad - Reinforced antimicrobial end caps. Break resistant bands. Extruded pvc center cores. High performance pleated polyester media. Molded in threads, no loose inserts.More information #ad
Brand | Filbur #ad |
Manufacturer | Filbur - Distribution #ad |
Height | 10.75 Inches |
Length | 16.5 Inches |
Weight | 0.19 Pounds |
Width | 8 Inches |
Part Number | FC-3965 |
Model | FC-3965 |
Warranty | One year, manufacturing defect only |
More information #ad