IS A PRIMARY AIR FILTER FOR AF26118 OptiAir 600 Series Secondary Element
USES HOUSING AH19476 OptiAir 600 Series Air Housing Systems. 6 plastic, w/o safety, straight.
USES HOUSING AH19477 OptiAir 600 Series with Twist Lock, Straight Outlet, Safety Element.
USES HOUSING AH19488 OptiAir 600 Series Air Housing Systems. 6 plastic, w/safety, 90 elbow.
USES HOUSING AH19489 OptiAir 600 Series Air Housing Systems. 6 plastic, w/o safety, 90 elbow.
