Description
Perlite -horticultural grade
Bulk case of 20 sheets
• Stable
Operating mode: Humidification or Dehumidification
Plant health and vigour rely heavily on the roots getting enough oxygen — roots need O2 to convert carbohydrates to energy
16x16x1 Pleated MERV 7 Air Filters 6 Pack pest-and-disease-control Perlite -horticultural gradeNordic Pure MERV 7 Pleated AC Furnace Air Filters provide exceptional filtration for both home and commercial environments. Each time air passes through a Nordic Pure pleated furnace air filter, lint, dust, pollen, bacteria, pet dander, dust mites, mold spores and other contaminants are removed. MERV 7 furnace filters are comparable to HVAC filters with the rating of MPR 600. While different companies use different scales to measure the air filters