The 10 vented tank lid comes with the collar to sit inside the tank for a complete lid replacement.
Buy Banjo 10 Vented Tank Lid & Ring Assembly (TLVA10)
Ace Roto 16″ Threaded Vented Lid & Ring
The 8 tank lid is a direct replacement for Ace Roto-Mold tanks. The 8 lid also comes with the collar that sets inside the tank for complete
8 Vented Tank Lid
10 in. Vented Tank and Ring Assembly
Tanker Dome Lid Gasket & Accessories - Tank Trailer Dome Lids
7 Spin-On Vented Threaded Tank Lid
10 Vented Threaded Tank Lid
10in Threaded Tank Lid w/ Vent & Tie, 34700088
Navien Parts & Accessories, Navien
3000 Gallon Vertical Storage Tank — Gregson-Clark Spraying Equipment
10in Threaded Tank Lid w/ Vent & Tie, 34700088
10in Vented Threaded Tank Lid with Tie
Stink Slink Rotating RV Sewer - Holding Tank Roof Vent/Cover/Cap - Black