actual NuTone Broan S97006931 Aluminum Filter. This NuTone Broan S97006931 filter can be with the chase models : RL6100F-R, RL6100H, RLX6100, SL6200H, RL6300H, F40000, 11000, 34000, 35000, 38000, 39000, 40000, 42000K, 44000, 45000, 46000 Series, 462401, 462404, 462423, 463001, 463002, 463004, 463008, 463011, 463023, 463601, 463602, 463604, 463608, 463623, 464201, 464202, 464204, 464208, 52000, 53000. : 10-1/2 - Inch X 8-3/4 - Inch.