P-4321 Filter Cartridge Proline Diameter: 4-15/16" Length: 13-5/16" Top: Closed Bottom: 2-1/8" Open 25 sq ft

Manufacturers: ProLine , Generic
Availability: 10 in stock
SKU: P-4321
Manufacturer part number: P-4321
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Filter Cartridge
total filtration solutions
Besides variety of common pool and spa filter cartridges, ProLine also provides special and new products to bring you a better experience when using your pool and spa filtration systems. Designed as direct replacements for manufacturers original cartridges, there are no adapter plates needed. Simply pull out the old filter and replace. All ProLine products are fully in accordance with international standards and high quality.
Additional Information

Cartridge diameter -4-15/16"

Cartridge length - - 13-5/16"

Top configuration -Closed w/Raised Ring, Bottom configuration -Open

Top dimension -,

Bottom dimension -2-1/8"

Square footage -25

Spa OEM's that use this filter cartridge- South Pacific Spas, Sunrise Spas, Tranquility Spas

Manufacturers & Products that use this filter cartridge- Pentair / Rainbow Plastics- Rainbow Leaf Cartridge

Alternate Part Numbers
  • PRB25-IN-TC (Pleatco)
  • C-4321 (Unicel)
  • 17-175-1218 FC-2372 (Filbur)
  • 17-2653
  • 12533
  • C4321
  • FC2372
  • R172653 (Rainbow)
Products specifications
Attribute nameAttribute value
Cartridge Brand:ProLine
Cartridge Application:ProLine, Rainbow, South Pacific
Cartridge Length:13-5/16"
Cartridge Top Style:Closed w/Raised Ring
Cartridge Bottom Style:Open
Cartridge Diameter:4-15/16"
Media Weight:3 oz.
Square Footage:25
Bottom Dimension:2-1/8"
Same AsPRB25-IN-TC (Pleatco), C-4321 (Unicel), 17-175-1218
Warranty365 - Warranty for 1 year from date of purchase. Must be returned in original packaging or subject to a 15% repackaging charge if returned for credit. No refunds.
Weight0.95 Lb. Ea