EIA 1″5/8 for 7/8” foam
EIA 1″5/8 for 3″ air
EIA 1″5/8 for 3″1/8 air
EIA 1″5/8 for 1″5/8 air
EIA 1″5/8 for 2″1/4 foam
flange 32×32
EIA 7/8” for 7/8” air
inner fixed
