Oase Tradux Bulk Head Fitting Tetra Pond All manifolds are comprised of

All manifolds are comprised of 6" long rubber membrane air diffusers and a polyethylene underlay to keep diffusers from settling into the mud and to prevent sediment erosion during operation

Tan FF4616B 727429006979 4' x 6' Basin

80410 025033804104 PondMaster ECOO 55 55gph 2

For a more professional-looking option

Oase Tradux Bulk Head Fitting Tetra Pond All manifolds are comprised ofOase Tradux Bulk Head Fittings enable a wall transition below the water surface in order to hide cables or hoses. Pumps, filters and lights are invisibly supplied with power and hoses; forget the bothersome attempts to conceal connections that run over the edge of the pond. Suitable for pond liner or preformed ponds. Easy installation due to handy screw connections Dimensions: 4. 5" Diameter x 13. 2" L Can be used for water bearing tubing of these