21_1/2x23_3/8x1 Exact MERV 8 Plus Carbon AC Furnace Filters 6 Pack Lighting Accessories The weighing platform is about

The weighing platform is about the size and shape of a CD

Maintain light-loving plants

which are natural wetting agents

Not only can you control the lighting schedule

21_1/2x23_3/8x1 Exact MERV 8 Plus Carbon AC Furnace Filters 6 Pack Lighting Accessories The weighing platform is aboutNordic Pure Custom MERV 8 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