Tetra Whisper® Aquarium Air Pump A&E Stand will fit both 20

Stand will fit both 20 and 30 gallon combos

and molybdenum

Extra Large:

Non-Stick Surface: Eliminates litter caking and odor buildup

Kit includes waterproof led light

Tetra Whisper® Aquarium Air Pump A&E Stand will fit both 20Minimal noise, maximum air flow. The Whisper Air Pumps dome shape actually flattens sound wave frequencies. In addition, each model features sound dampening chambers designed specifically for that model. And the air pump's rubber feet and suspended motor prevent sound waves from reflecting off surfaces such as tables and shelves. Available in models for aquariums from 10 to 100 gallons, Whisper Air Pumps provide a powerful flow of air. UL listed.