Missing drill bit, guide, pipe, and lid for larger side of overflow.
The Marine Depot Elite Overflow Box is a high quality and economical overflow box that allows you to easily add a sump, refugium or wet/dry filter to your aquarium filtration system. These overflow boxes allow you to skim water from the surface of the aquarium and deliver it to your external filter without the need of expensive modifications to your aquarium.
Rated for aquariums up to 90 gallons
Internal Dimensions: 6"L x 1.25"W x 6"H
6"L x 3"W x 6"H
Suitable for tanks up to 5/8" thick