Matala Hakko Heavy Duty Air Manifolds Size of Outlets:3/4" Outlets this is the product of

this is the product of choice by professionals

It adds not only to the aesthetics of the aquarium

21 lb/ft 1/2" 0

Turn off circulation for 10-20 minutes to keep granules from floating away

Matala Hakko Heavy Duty Air Manifolds Size of Outlets:3/4" Outlets this is the product ofHakko Heavy Duty Air Manifolds are designed specifically to reduce back pressure on your air pump. The brass manifolds connect to the pump via a 3 4" barb. This 3 4" barb is threaded on the back, allowing for adjustment, and is easily connected to the Hakko L tube. We strongly recommend that you have at least one valve more than is needed. Keep the extra valve open when starting the pump and slowly close the valve until the desired air volume is