Eshopps PF-800 Single Hang-On Overflow Box 8 in Single Itch Relief Large aquariums feature one-piece center-braced

Large aquariums feature one-piece center-braced frames that eliminate glass bowing

Premium Filters come in a 3-Pack and should be replaced every 2-4 weeks

The Overflow Accessory Kit also comes with the aquarium that includes: adjustable drainpipe

Measures ammonia levels from 0 to 6 ppm in fresh or saltwater in one easy step

Erratic Ball is a durable geometrically shaped rubber ball that bounces erratically to keep the game interesting and challenging for your dog

Eshopps PF-800 Single Hang-On Overflow Box 8 in Single Itch Relief Large aquariums feature one-piece center-bracedThe overflow box effectively transports aquarium water to under cabinet sumps, refugiums, or wet dry filters. High quality overflow boxes feature bulkhead fittings for secure and convenient installation. U tube style compact overflow boxes are designed to fit between your tank and your wall to maximize space usage in your aquarium setup. With only 3 in. required between your tank and your wall, these boxes are excellent for optimizing space. Each box