64L81 | Lennox LB-98453B, Air Diaphragm Kit, 3-5/8" OD, For G14/G21, 10/Pack | Lennox

AIR FLAPPER (PACK OF 10) The Lennox NCO-64L81 air damper is a replacement part for furnaces and air handlers. It is made of durable materials and is designed to last. The NCO-64L81 is easy to install and can be used in both residential and commercial applications. Benefits: - Durable construction for long-lasting performance - Easy to install - Can be used in both residential and commercial applications Applications: - Furnaces - Air handlers Our HVAC supply store: We offer the best prices and fast shipping for your products!