M-Seal – The Improved Fin-Seal Weather-stripping

The first window/door seal that:
- Insulates
- Reduces air infiltration
- Reduces air microparticles
- Filters out germs, fungi, mold, mildew, bugs, dust, dirt, sound & pollen
- Aggressively protects against drafts like never before!
– AAMA Certified
– First window/door seal ever with certified MERV rating- has higher Bacteria Filtration Efficiency (BFE)
– Fibers are are mechanically entangled that act like a spring in both the X & Y direction for improved compression & recovery