21x23_1/2x1 MERV 8 Plus Carbon AC Furnace Filters 6 Pack commercial-lighting-fixture With the Biobizz Stimulant Pack

With the Biobizz Stimulant Pack

The Bluelab Connect Range Extender is available when you need to extend the range between the Guardian Connect and Connect Stick

SupremeAir Australian Carbon Filter 10'' x 39''

• Fast drainage for ideal rooting

Whether your task is in a nursery securing high value standards

21x23_1/2x1 MERV 8 Plus Carbon AC Furnace Filters 6 Pack commercial-lighting-fixture With the Biobizz Stimulant PackNordic Pure Custom MERV 8 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