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
-VP	Secured Grate, Vandal-Proof Screws	-8-2	All 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