23_1/2x23_1/2x1 MERV 12 Plus Carbon AC Furnace Filters 6 Pack Emitters Boron aids the plant’s transport

Boron aids the plant’s transport of sugars and the development of a healthier flower

The HI9814 Portable GroLine Meter features a replaceable HI1285-7 probe that has been carefully designed specifically for the pH

What results can I expect compared to HPS or T5 fixtures

these fixtures will take your grow to the next level

The fertilization status can be ascertained from a distance through dosage and alarm LEDs

23_1/2x23_1/2x1 MERV 12 Plus Carbon AC Furnace Filters 6 Pack Emitters Boron aids the plant’s transportNordic Pure Custom MERV 12 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