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Replacement drain cap for AquaQuick and SandPro 4510, 4511, and 20ES filtration systems. This is part #4T2013 and appears as #31 on your SandPro owners manual.
- One replacement tank drain cap o-ring
- Designed for the AquaQuik SandPRO system
- Owners manual part #31
- Genuine SandPro/AquaQuick replacement part