SPACE GUARD/APRILAIRE 201,401&501 (FOR MODELS 2200, 2400 & 5000)

                201 AND 401                                 501                                         

Aprilaire Space Guard Model 2200, 2400 & 5000. MERV 10 original April air filter media replacement. Note: Originals are better quality than generic replacements in that they are easier to install.