6x12x1 Exact MERV 7 Plus Carbon AC Furnace Filters 6 Pack Sprayers and Wands 1¼ is sometimes called Spanish

1¼ is sometimes called Spanish Size as the first rolling papers ever produced were made in the Alcoy region of Spain

Timing the release is important – if you release too early there aren't enough pest eggs for the wasps to parasitize - too late means that the pest eggs have hatched and you have a new problem - caterpillar pests

strong and stable structure

Fabric keeps dust and liquids out while allowing air to flow freely

304 Stainless trim collection bins are now available for customers that own a TrimSaver CS18 (T2)

6x12x1 Exact MERV 7 Plus Carbon AC Furnace Filters 6 Pack Sprayers and Wands 1¼ is sometimes called SpanishNordic Pure Custom MERV 7 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