Matala Hakko Heavy Duty Air Manifolds Size of Outlets:3/4" Outlets Control valve allows optimal water

Control valve allows optimal water flow and prevents media from escaping

healthy fish and pristine water quality

Commercial strength formula kills string

Can be used within biological filter for maximum impact

cost-efficient pond conditioner that provides a clean

Matala Hakko Heavy Duty Air Manifolds Size of Outlets:3/4" Outlets Control valve allows optimal waterHakko 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