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Dial 7637X - 6 Way White Poly Evaporative Cooler Diffuser
Diffuses air 6 ways with 14 adjustable louvers, made with white colored, high impact plastic. Will not rust, corrode or stain. For duct openings up to 20" x 20". Grille is 22-1/2" x 22-1/2" x 3-1/8" depth. Easy to install. For all residential cooler models.