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Ships within 48 hours · Estimated delivery Aug 18 - Aug 23
Non-standard size collar (available in 6" through 20")
Lever Operated Opposed Blade Damper
see 1560 Series * Tamper proof screws * Standard Color
Countersunk mounting holes for flush appearance with stainless sheet metal screws
Step Down Diffuser with Slide-in Damper 425-16X16 Step Down Ceiling Diffuser Non-standard size collar (available inStandard Features * Steel galvaneal construction * For evaporative coolers or central blower systems * Modern step down design * 4 way air diffusion * Countersunk mounting holes for flush appearance with color matching Phillips posi drive screws * One piece removable slide damper for off season closure * Soft White
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