Product Information Includes: (2) RTFE seats, (2) RTFE gaskets, (1) RTFE thrust washer and (3) RTFE stem packing Seat: 15% glass reinforced RTFE Select a Product Part NumberSize BV-2G-GK0753/4" BV-2G-GK1001" BV-2G-GK2502-1/2" BV-2G-GK2002" BV-2G-GK1501-1/2" BV-2G-GK3003" BV-2G-GK4004" BV-2G-GK0501/2"