Hayward DEX4820BTC Filter Head with Clamp System Replacement for Select Hayward Filters pool-pumps Elastic cuff prevents debris from

Elastic cuff prevents debris from entering the glove

The model features flush in round opening and a threeway mounting

Dual cartridge elastomeric full facepiece with four strap headband

Filters out different gases

Vertical venting negative pressure metal flue collar

Hayward DEX4820BTC Filter Head with Clamp System Replacement for Select Hayward Filters pool-pumps Elastic cuff prevents debris fromHayward 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