BioGuard Balance Pak 100 Brand_OHCO and the 5-inch diameter is

and the 5-inch diameter is compatible with other Majestic ventilation pipe lengths

Trim and clamp included

and the 2-inch male pipe thread bottom screws directly into the suction fitting for a tight

1 x Unicel C-8380 Filter Cartridge

Traps debris that your skimmer misses

BioGuard Balance Pak 100 Brand_OHCO and the 5-inch diameter isBioGuard Balance Pak 100 Overview BioGuard Balance Pak 100 is used to raise total alkalinity. Maintaining proper total alkalinity prevents pH from bouncing due to rain, bather load, and other chemical applications. Low alkalinity may also cause pool water to be corrosive to the metal and plastic with which it comes in contact. This product is proven to help prevent pool staining, plaster etching, or liner wrinkling. The contents of Balance Pak 100