6″ Tank Lid with Unvented 2″ Plug with Santoprene gasket
6″ Tank Lid with Unvented 2″ Plug with Santoprene gasket
6″ Tank Lid with Vented 2″ plug with Gasket
7″ Bonar Lid with Santoprene gasket
9" Polyethylene Fill Cap with Buttress Threads and 2" Center Plug / EPDM Gasket
Mauser Solid Black 9" Lid with EPDM Gasket
Schutz 9" Lid with 2" bung and seal
Red vented 6" fill port lid, genuine Schütz.
Schutz - 9" Black Lid Solid
6″ HDPE FillCap with 2″ Buttress Center Plug