Perko O-Ring (2) F/1-1/2" Deck Plate [0513DP8] by Perko $7.71 SKU PER0513DP8 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Add to cart This item is a recurring or deferred purchase. By continuing, I agree to the cancellation policy and authorize you to charge my payment method at the prices, frequency and dates listed on this page until my order is fulfilled or I cancel, if permitted. O-Ring (2) F/1-1/2" Deck Plate