Overflows,Returns and Check Valves

Available in two sizes:

OV25 Hang on overflow box – 350gph

OV50 Hang on overflow box – 700gph

More specifications to follow soon.

Available in: 1.5" and 1.25"

Quality overflow boxes feature bulkhead fittings for secure and convenient installation. Use these easy-to-install overflow boxes to transport aquarium water to under cabinet sumps, refugiums, or wet/dry filters. Gravity-feed system eliminates the need for complicated drilling or aquarium modifications.

Includes: U-tube, cylinder (round) foam, nylon screw and wing nuts, and pre-filter box. Nano has 3/4" bulkhead, PF-300 - PF-1200 have 1" bulkheads, and PF-1800 has 1-1/2" bulkhead.

PF-Nano:

• 4"L x 2.5" W x 8.5"H
• For aquariums up to 50 Gallons
• Max Flow Rate: 200 GPH

PF-300:

• 6"L x 3" W x 10"H
• For aquariums up to 75 Gallons
• Max Flow Rate: 300 GPH

PF-800:

• 8"L x 3" W x 10"H
• For aquariums up to 125 Gallons
• Max Flow Rate: 800 GPH

PF-1000:

• 9"L x 3" W x 10"H
• For aquariums up to 200 Gallons
• Max Flow Rate: 900 GPH