Waterway 3/8" SB Elbow Style Air Injector [White] (670-2200) elbows or bath systems

or bath systems

Helps restore proper outdoor vent transition support

Center rods help hold internal filter elements together so DE grids can remain properly aligned during operation and cleaning cycles

and this Filbur FC-9825 grid is designed in an 18 inch by 11 inch center-port format for matching applications

Waterway 3/8" SB Elbow Style Air Injector [White] (670-2200) elbows or bath systemsThe Waterway 670 2200 elbow style air injector is designed for compatible spa air systems using a 3 8 inch connection size. Elbow style injectors are especially useful in plumbing layouts where direction change at the injector point helps the assembly fit more naturally within the spa shell or equipment routing. This white injector introduces air into the system to support the aerated spa effect users expect, while its elbow design can make it easier