17x29x1 Exact MERV 14 Plus Carbon AC Furnace Filters 6 Pack Garden Hygiene and Safety 5% (w/v) Metric: 1-5g/L US

5% (w/v) Metric: 1-5g/L US equivalent (approx

The Bubble Magic Commercial Bud Sorting Kit can sort up to a pound of material in just minutes

Keep your eyes relaxed and protected with our MH grow glasses

Elevated airflow accommodating design

NOTE: If a longer sensor cable is desired use optional replacement:

17x29x1 Exact MERV 14 Plus Carbon AC Furnace Filters 6 Pack Garden Hygiene and Safety 5% (w/v) Metric: 1-5g/L USNordic 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