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Built-in Digital Control – The on-board controls include a digital display for intuitive operation and monitoring
• High-pressure in-line pH probe with 3/4' NPT thread
this allows each tumbler to consistently turn with ease at just the right speed and works with the electropolished steel and Quantanium coated tumblers
Storage Note: PFR-97 must be kept refrigerated for best results
and other plants
17x19x1 Exact MERV 8 AC Furnace Filters 6 Pack fans-ventilation-ducting Built-in Digital Control – TheNordic Pure MERV 8 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 8 furnace filters are comparable to HVAC filters with the rating of MPR 800. While different companies use different scales to measure the air filters
