Matala Hakko Air Diffusers with Included Base Package Pressure gauge tells you what

Pressure gauge tells you what is going on inside tank

Spray or Solid Pipe can be used above or below water

Size Media

Can be connected to 3/8" diameter weighted hose and has three sized barb options

Matala Hakko Air Diffusers with Included Base Package Pressure gauge tells you whatMatala Hakko Base Air Diffusers are membrane air diffuser assemblies that feature heavy duty plastic bases with soft edges. These bases are hollow so that they can be filled with sand or gravel, eliminating the need for bricks and straps to get the diffuser to sink. Two sizes of bases are offered: the small base can accommodate one or two diffusers, and the large base can accommodate two or four diffusers. Heavy duty diffusers produce medium bubbles,