Designed for aquariums approximately 30 gallons and larger which use a canister filter with 5/8" diameter tubing.
Cal Aqua Labs glassware is hand-blown using only the highest quality, laboratory-grade, borosilicate glass for maximum strength, durability, and visual clarity. Each piece is unique.
Tube Diameter: 17 mm
Canister Filter Outflow Tubing Size: 5/8"
Recommended for Nano aquariums approximately 30 gallons and larger.