Uponor Ecoflex® End Cap, Single, Fitting/Connector Type: Cap, 3 x 3-1/2 x 4 x 4 in Nominal Size, PEX, 3-1/2 in Length, EPDM Rubber
EPDM rubber end caps seal the exposed insulation between the jacket and service pipe after the pipe is cut to make a connection. Each end cap includes a stainless-steel clamp and an EPDM rubber O-ring.