Matala Hakko Heavy Duty Air Manifolds Size of Outlets:3/4" Outlets It removes colors and odors

It removes colors and odors from aquariums and removes pollutants that mechanical and biological filtration leave behind

these diffusers produce slightly larger air bubbles than airstones

Use pressure gauges to monitor system pressure and prevent motor damage

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

treated water back into the aquarium

Matala Hakko Heavy Duty Air Manifolds Size of Outlets:3/4" Outlets It removes colors and odorsHakko 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