Fresh Air Inlet: Chrome Plated Convex Grille w/Threaded Oultet

Specification
88970 Series satin finish Nikaloy, fresh air inlet with threaded connection and extra heavy convex satin grille.

Options
-VPSecured Grate, Vandal-Proof Screws -8-2All Bronze with Satin Finish Face

Type # PIPE SIZE  B  D FREE AREA  C LBS LBS
88974 4 6 5-1/2 9 1-1/8 3
88975 5 7 6-1/2 14 1-1/4 4