501 Aprilaire and Space-Gard Replacement Filter (2 Pack)

501 Aprilaire and Space-Gard Replacement Filter (2 Pack) Review

501 Aprilaire and Space-Gard Replacement Filter (2 Pack) Feature

• Fits Research Products Model No. 5000 (Part #501)
• New aftermarket Aprilaire 501 filter!!
• Original accordion type design.
• Package contains 2 Filters.
• Protects heating and cooling equipment.

Space Gard is also known as Aprilaire Furnace Filters. Reaches 99% efficiency on particles 5 microns or larger. Reduces dust buildup. High efficiency filter media collects small dust particles before they can collect on your coils.