GENERALAIRE 13156 /401 / GFI 4051 AC-24

• Generalaire Part # GFI 4051 / 401 / AC24 / 13156
• Fits Aprilaire 2400 Part # 401 Generalaire Model AC24
• Also fits Source 1- MAC11162506; Space-Gard 2400, YORK S1-MAC11162506
• Package of 2

Please note that these filters are not compatible with Aprilaire 2400 Model. If you have an Aprilaire 2400 air cleaning system please purchase Aprilaire 401 filters