Hayward DEX4820BTC Filter Head with Clamp System Replacement for Select Hayward Filters pool-pumps 2-LiterAdd weekly to maintain near

2-LiterAdd weekly to maintain near zero phosphate levels

Elastic cuff prevents debris from entering the glove

The model features flush in round opening and a threeway mounting

and True Sight II

Fits Hayward Perflex extended cycle D

Hayward DEX4820BTC Filter Head with Clamp System Replacement for Select Hayward Filters pool-pumps 2-LiterAdd weekly to maintain nearHayward DEX4820BTC Filter Head with Clamp System Replacement for Select Hayward Filters Filter head with clamp system replacement Fits hayward pro grid vertical d e filter models de2420, de3620, de4820, de6020, de7220 Also fits hayward swim clear cartridge filter c2020, c3020, c4020, c5020 Also fits Hayward Skim Master models SP1070, SP1070 NSF Includes clamp system; weight 19 pound