Big Dog pressure release valves are designed and manufactured using black ABS plastic and a stainless steel spring for long life and durability. The pressure release valve permits interior cooler pressures to balance allowing for the cooler lid to always be easy to open. Quality ABS construction for durability and strength Designed using a stainless steel spring for long life and durability Pressure release valve balances interior cooler pressures to allow for an easy open each time Utilizes a UV inhibitor to keep the pressure release valve looking like new for the life of the cooler Attributes: GTIN: 00880268191449 Brand Name: Husky Towing Compatibility: Big Dog Coolers Extended Information: Country of Origin: China Emissions : CARB Eligible Life Cycle Status: Available To Order Packing Information: Quantity of Each: 1 Package UOM: EA Dimension: 1.29 x 1.29 x 1.25 inches Weight: 0.03 lb