16_1/4x21_1/2x1 Exact MERV 8 Plus Carbon AC Furnace Filters 6 Pack PPE - Sulphurous

- Sulphurous

• Exclusive CAL CHECK™ feature

It is the strongest pre-bloom phase spider mite killer available and the natural oils in Liquid Ladybug V™will not harm growth but stop mites in their tracks and end the egg laying cycle

Isolate plants that are being treated from other female plants you do not wish to produce seeds

16_1/4x21_1/2x1 Exact MERV 8 Plus Carbon AC Furnace Filters 6 Pack PPE - SulphurousNordic 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