21x23_1/2x1 MERV 14 Plus Carbon AC Furnace Filters 6 Pack meters-&-solutions Beam angle: 170°

Beam angle: 170°

Perfect for greenhouses and larger commercial spaces

research facility

• INCLUDES: (1) Replacement filter for ANDEN Dehumidifier Model: A210V1

lush vegetation

21x23_1/2x1 MERV 14 Plus Carbon AC Furnace Filters 6 Pack meters-&-solutions Beam angle: 170°Nordic Pure Custom MERV 14 Plus Carbon air filters are made based on the actual measurements so be sure to measure your current filter to get the EXACT dimensions before ordering. As with all Nordic Pure filters, the effective life of your filter depends on the environment in which you live. We recommend changing 1 and 2 filters every 30 90 days. Our 4, 5 and 6 inch thick filters could last up to 6 months. EXACT MEASUREMENT: Furnace and air condition