Hayward C4000 Air Relief Tube | CX4000Z3 Dolphin seal Durable tan resin construction: Resistant

Durable tan resin construction: Resistant to chlorine

•Ability to copy programming to additional remote controls

Discharge-side vacuum breaker: interrupts suction transfer to prevent cross-talk during blockages

hassle-free pool upkeep

Hayward C4000 Air Relief Tube | CX4000Z3 Dolphin seal Durable tan resin construction: ResistantWhen water passes through a cartridge filter, dirt is screened out at the surface of the cartridge element. When clean, the element will trap larger particles, with finer particles being filtered out as the pores of the element become clogged by the larger debris. The cartridge element can be removed and cleaned by pressure washing inside and out with a garden hose.