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The JRA Adjustable Plastic Grille offers excellent architectural styling for low flow supply and exhaust applications. Designed for ceiling and wall mounting, it provides an integral, readily-accessible airflow adjustment in its intalled position. The high density plastic construction is virtually corrosion-proof and is ideal for use in high humidity indoor installations, such as bathrooms, showers, and dishwashing areas. Material  ABS Resin Finish  White Sizes  4" & 6" Features  Contemporary Design Goes with All Decors  Low Silhouette, Unobtrusive Profile  Infinite Adjustable Core for Volume Control  Omnidirectional, Low Diffusion Air Patters  Concealed, Spring Clip, Fastening Mechanism  Available for Standard Duct Sizes  Positive Sealing Core-to-Body Mount  Wall or Ceiling Mountable* *Recommended use of (3) No.8 screws through body into duct wall to ensure positive connection in ceiling application.  JRA Download  Catalog  Submittal Sheet (Inch / Metric)  High Resolution Picture  Installation Instruction Typical Applications  Fresh Air Intake  Ventilation for Interior Locations  Residential, Commercial, and Marine Applications  For Use With Ducted and Unducted Systems  Bathroom Exhaust & Supply Applications

Model JRA Dimensions (PDF Version) MODEL DUCT SIZE A B C D E JRA 4 4" 3 25/32 5 29/32 5 11/32 1/2 1 31/32 JRA 6 6" 5 23/32 7 7/8 6 7/32 1/2 1 31/32 Dimensions are in inches. Product information is Subject to Change Without Notice