Diffuser 845-6X4 Finish:Designer Color - Glossy White 3 or 4 way air

3 or 4 way air patterns from face * One size fits 6" thru 16" (collar by others) * Soft White

T-Bar hinged 2 Cone Step Down Diffuser with Round Collar

904 - Double Deflection Adjustable Aluminum Blade Grille For a 24" x 4" Duct Opening  (front blades parallel to shortest dimension)

Spiral Diffuser Radius Flush Mount Diffuser Single Deflection with Damper

Step down core designed for 4-way uniform air distribution

Diffuser 845-6X4 Finish:Designer Color - Glossy White 3 or 4 way airStandard Features * 3 way diffusion for draft free heat or air conditioning * For ceiling or sidewall applications * All component parts, rivets, linkage, and handle, are enclosed in the valve to assure trouble free operation * Countersunk mounting holes for flush appearance with color matching Phillips posi drive screws * Steel multi shutter damper * Soft White Options * 845 O steel lever operated opposed blade damper * Tamper proof screws * Standard