Swimline Supreme Guard Solid In Ground Winter Pool Cover - 30' x 55' Rectangle sandpro-4510-4511-series-filter The valve never requires lubrication

The valve never requires lubrication

Manufacturer Part # 073584

Outer Diameter is 10 7/8" and Inner Diameter is 7"

Manufacturer Part # GLXGVA4SCR

Swimline Supreme Guard Solid In Ground Winter Pool Cover - 30' x 55' Rectangle sandpro-4510-4511-series-filter The valve never requires lubricationSwimline's Supreme Guard winter pool cover helps keeps your water free from dirt, leaves, and debris. It helps prevents algae growth, so you can skip the costly maintenance and avoid time consuming spring cleanups. 10 x 10 Scrim 5 foot overlap Pool Type In Ground Pool Size 30' x 55' Rectangle Cover Size 35' x 60' Rectangle Manufacturer Swimline Warranty 10 Year Manufacturer Pro Rated Warranty 1 Year Full Cover Color Green