990S, in/out distributor head with a 1.05" distributor ( riser pipe ) opening.
Includes distributor o-ring and top of tank o-ring.
Piping connections on 1" standard pipe thread female.
Is molded to use "twist on" top distributors ( like our MD1203 - Sold Separately ).
And a Riser pipe can be made with our MD1236 Bottom Distributor - Sold Separately ).
990S Manufactured by Clack Corporation, the inlet and outlet are 1" NPT, in/out distributor head with a 1 " riser ( 1.05" O.D. ).
The distributor head is molded of rugged composite plastic.
The distribution head is designed for single in-out applications on simple filters such as sediment removal, taste, odor or pH neutralization. This economical head fits onto standard 2-1/2" - 8 NPSM tank openings.
Reference = MD1226
Replacement head to tank O-ring = V3180
New head INCLUDES this o-ring, so you don't need to purchase one separately.