Matala Hakko Heavy Duty Air Manifolds Size of Outlets:3/4" Outlets 2 year warranty

2 year warranty

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

this is the product of choice by professionals

PRO MINI Diffuser Assembly 6"W x 9"L

Use pressure gauges to monitor system pressure and prevent motor damage

Matala Hakko Heavy Duty Air Manifolds Size of Outlets:3/4" Outlets 2 year warrantyHakko 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