Pentair Buna-N Cover O-Ring | Ultra-Flow Strainer | 39300600Z Main Drains Clear and Perfect may be

Clear and Perfect may be oxidized by high levels of sanitizer

For pools that have a lot of leaves and debris

Before ordering this board

Can be used without primer on non-pressure systems if local codes permit

Exclusive 32 dial stop adjustable indicator plate for precise flow control

Pentair Buna-N Cover O-Ring | Ultra-Flow Strainer | 39300600Z Main Drains Clear and Perfect may beThe Pentair 39300600Z is the OEM replacement Buna N cover O ring for the Ultra Flow strainer, for units manufactured after November 1994. IMPORTANT: VERSION DATE CONFIRM BEFORE ORDERING This O ring is specified for Ultra Flow strainer units manufactured after November 1994. Verify your unit's manufacture date before ordering to ensure correct fitment. IMPORTANT: LUBRICATION REQUIRED SOLD SEPARATELY Always lubricate this O ring with a silicone based