Birdscreen, Concentric Ring Type, Zinc Plated Finish, Wire Spacing OC 3/4 In., Protects Fan from Birds, Small Ojects and Debris, Use w/Dayton Ventilators 1MBE6, 1MBE7, 1MBE8, 2RB65, 4HZ36, 4HZ37, 4HZ38, 4HZ39, 4HZ40, 4HZ41, 4HZ42, 4HZ43, 4HZ44, 4HZ45, 4HZ46, 4HZ47, 4YY13, 4YY14, 4YY15, 5DVL4, 5DVL5, 5DVL6, 5DVL7, 5DVL8, 5DVP8, 5DVP9, 5DVR2, 6KWH9, 6KWJ2, 6KWJ3, 16D522, 16D523
- Protect fans from birds, small objects, and debris. Zinc-plated for durability; passed 24-hr. salt spray test11. Concentric and precisely sized to eliminate rattling.