8_1/2x30x1 Exact MERV 7 Plus Carbon AC Furnace Filters 6 Pack Grow Light Reflectors Netafim PC Spray Stakes are

Netafim PC Spray Stakes are pressure compensating with a check valve for improved control of water and fertilizers

Either element is place to give close thermal contact with the liquid being measured to assure fast response to changing temperature

This light airy blend of peat moss and perlite is the answer to every gardener’s quandary

Easy to scout and measure parasite to pest numbers

8_1/2x30x1 Exact MERV 7 Plus Carbon AC Furnace Filters 6 Pack Grow Light Reflectors Netafim PC Spray Stakes areNordic Pure Custom MERV 7 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