Buy Pool Filter Apr 2026

For a rectangular pool, use: Length × Width × Average Depth × 7.5 = Total Gallons .

Sand (~3.0 sq ft), Cartridge (100–200 sq ft), DE (36 sq ft). buy pool filter

Most expensive; requires adding DE powder after backwashing. 2. Determine the Correct Size For a rectangular pool, use: Length × Width

Sand (~4.9 sq ft), Cartridge (400–500 sq ft), DE (60 sq ft). 3. Key Compatibility Checks For a rectangular pool