21_1/2x23_3/8x1 Exact MERV 14 Plus Carbon AC Furnace Filters 6 Pack New-releases This O Ring is a

This O Ring is a key mechanism in our successful product series and sets our products apart from competitors

An easy-to-fill reservoir delivers water and nutrients from below

50 kg Cargo Scale

Dual stabilizer arms in each corner provide added eave support

2 x Micro Drip | 16-17 mm Pipe Fitting | T (Single Unit)

21_1/2x23_3/8x1 Exact MERV 14 Plus Carbon AC Furnace Filters 6 Pack New-releases This O Ring is aNordic 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