IS A PRIMARY AIR FILTER FOR AF25961 OptiAir 800 Series Secondary Element
USES HOUSING AH19260 OptiAir 800 Series Air Housing Systems. 8 plastic, w/safety, straight.
USES HOUSING AH19261 OptiAir 800 Series Air Housing Systems. 8 plastic, w/o safety, straight.
USES HOUSING AH19331 8 Opti-Air 600 Series
USES HOUSING AH19490 OptiAir 800 Series Air Housing Systems. 8 plastic, w/safety, 90 elbow.
USES HOUSING AH19491 OptiAir 800 Series Air Housing Systems. 8 plastic, w/o safety, 90 elbow.