5″ Replacement Lid for 7‑Gallon Tank – with Ball-Check Vent

Need a durable replacement or upgrade for your 7‑gallon utility or soap tank? This 5″ threaded lid is a perfect fit for standard tanks and includes a ball-check vent valve that maintains proper air pressure during fill and dispense—minimizing splashing and spills. Designed to integrate seamlessly with existing tanks, this lid helps preserve tank integrity and performance through everyday use.

Key Features

• Size: 5" threaded lid—fits standard 7-gallon tank openings

• Vent: Built-in ball-check vent to allow air entry and prevent vacuum lock

• Material: Durable plastic or polypropylene construction for chemical resistance

• Function: Helps balance internal tank pressure while keeping contaminants out

• Application: Ideal for soap, surfactant, or chemical tanks—especially in mobile softwash setups