Pipe Deck Fill With Key Gas 2 in. Pipe (WHITECAP INDUSTRIES P/N 6131) (#WC6131) PRICE: $67.83 Part #: WC6131 For shipping estimate: Add to cart then visit your shopping cart to see shipping options and costs. Pipe Deck Fill With Key Gas 2 in. PipeChain4 in. flange#10 (3) fastener316 stainless steel27 oz.