20x26x1 MERV 10 Plus Carbon AC Furnace Filters 6 Pack bloom Note: For optimum performance please

Note: For optimum performance please do not exceed 8

It utilizes advanced Ultra High frequency technology and high output 1000 watt double ended High Pressure Sodium grow lamp

Females enter diapause in response to shortened day lengths (<14 hours)

Store in a cool and dry environment at room temperature (15 -35 C or 60-95 F)

The special blend of rooting hormones and naturally occurring ingredients in LIFE Cloning Gel creates healthy plants from the roots up

20x26x1 MERV 10 Plus Carbon AC Furnace Filters 6 Pack bloom Note: For optimum performance pleaseNordic Pure Custom MERV 10 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