16″ Tank Lid with 4″ Threaded Center – Fits 535-Gallon Leg Tank – Part #3522060

The 16″ Tank Lid with 4″ Threaded Center (Part #3522060) is a replacement fill lid designed to fit 535-gallon free-standing horizontal leg tanks. This heavy-duty tank lid features a 16″ outer diameter with a 4″ center opening and threaded cap—perfect for secure filling, venting, and accessory access.

Molded from chemical-resistant polyethylene, this lid is compatible with tanks used for softwash, agricultural, and industrial liquid storage.

Includes:

• One (1) 16″ outer tank lid

• One (1) 4″ threaded removable center cap

• Durable black or translucent polyethylene construction

• Sealing ring or gasket (if included with tank model)

Performance Specifications:

• Outer Diameter: 16″

• Center Opening: 4″ threaded port with screw cap

• Part Number: 3522060

• Compatibility: Fits 535-gallon free-standing horizontal leg tanks

• Material: UV-stabilized polyethylene

• Color: Black or translucent (may vary by supplier)

• Chemical Resistance: Excellent (SH, water, surfactants, ag chemicals)

Key Benefits:

• Secure sealing lid prevents spillage and contamination

• 4″ center allows easy access for filling, suction tubes, or venting

• Chemical-resistant material withstands sodium hypochlorite and more

• Easy to remove and install by hand or strap wrench

• Designed to fit 535-gallon leg tank openings precisely