Unicel Filters

Unicel 4CH-30 30 sq.ft. replacement top load spa filter cartridge. Length 11 7/8" Diameter 4 5/8" Bottom is 1 1/2 inch MPT (male pipe thread) Top has a handle 4CH30 filter Bottom threads are 1 1/2 inch fine mpt threads.  top handle - closed...

Unicel 4CH-24 Filter 25 Sqft filter cartridge used in select Saratoga, Gatsby,Imperial,DreamMaker and other spa brands. Measures 4 5/8" diameter x 9 3/4" long with handle on top and 1 1/2" standard males threads on the bottom (mpt). This is a Unicel...

Unicel 4CH-23 25 sq.ft. replacement spa filter cartridge has a closed top with handle and a male pipe threaded 1 1/2" mpt bottom connector. It This replacement filter is 4 15/16" in diameter and 6 5/8" long. This is a 25 sq.ft. replacement...

Unicel 5CH-203 is a 20 sqft replacement cartridge filter.  This filter cartridge also used in newer model LA Spas FD-51105. Length: 7 inches Diameter: 5 3/8 inches Top: semi circular handle Bottom: 3 inch MPT threads LA Spa filter...

Unicel 5CH-502 50 sq.ft. replacement spa filter cartridge for Cal Spas, Marquis Spas and other brand hot tubs, has a bar handle on top and a male pipe threaded 2" mpt bottom connector. This replacement filter is 5 3/16" in diameter and 12 1/2" long...

Unicel 6CH-47 47 sq.ft. spa filter cartridge has measurements of 6" diameter x 9" long with handle on top & 1 1/2" standard threads on bottom. The dimensions of this 47 sq.ft. spa filter are: Length: 9" Diameter: 6" Top: Handle Bottom: 1-1/2"...

Unicel 6CH-940 45 sq.ft. spa filter cartridge has measurements of 6" diameter x 8 1/4" long with handle on top & 1 1/2" SAE threads on bottom. Replaces PWW50P3 & FC-0359 The dimensions of this 45 sq.ft. spa filter are: Length: 8 1/4" Diameter:...

Unicel 7CH-32 32 sq.ft. spa filter cartridge has measurements of 7" diameter x 8" long with handle on top and 1 1/2" mpt male pipe threads on bottom. We also offer the 7CH-322 model with 2 inch threads on the bottom, such as found in Master Spas and...

Unicel 7CH-322 32 sq.ft. spa filter cartridge has measurements of 7" diameter x 8" long with handle on top and 2" standard threads on bottom. We also offer the 7CH-32 model with 1 1/2 inch threads on the bottom, such as found in Artesian Spas,...

Unicel 8CH-502 50 sq.ft. spa filter cartridge has measurements of 8 1/2" diameter x 7 1/2" long with handle on top and 2" standard male threads on bottom. The dimensions of this Unicel 50 sq.ft. spa filter are: Length: 7 1/2" Diameter: 8...

Unicel 8CH-66 60 sq.ft. spa filter cartridge has measurements of 8" diameter x 9 1/4" long with handle on top and 2" standard male threads on bottom. The dimensions of this Unicel 50 sq.ft. spa filter are: Length: 9 1/4" Diameter: 8" Top:...

Unicel 8CH-950 50 sq.ft. spa filter cartridge has measurements of 8" diameter x 6" long with handle on top and 2" standard male threads on bottom. This filter also replaces OEM filter model 8CH-951. The dimensions of this Unicel 50 sq.ft. spa...

Unicel C-2305 replacement spa filter cartridge for Spa In a Box hot tubs. This replacement filter is 2 3/4" in diameter and 5 1/8" long. This is a 3 1/2 sq.ft. cartridge. Keep your Spa-In-a-Box water clean by regularly cleaning this spa filter and...

65 sq. ft. Pleatco replacement spa cartridge filter. Diameter: 8-1/2 Inch Length: 10-1/2 Inch Bottom: 3 Inch Top: 3 Inch This is the Unicel brand C-8465. We also carry the Pleatco brand PWK65 and the Filbur brand FC-3960 which this C-8465 filter is...