12-17-2008, 10:00 PM
|
|
 |
Deity
|
|
Join Date: Jul 2004
Location: Saint Regis Falls, NY, USA.
Posts: 4,978
Thanks: 0
Thanked 102 Times in 102 Posts
|
|
|
high efficiency filters are coated and pleated so they are two inches deep [thick] I recall northeast utilities where I worked, they bought filter frames for replaceable media. the media was open cell gray neoprene. a compound like "high tack" was sprayed on the media before installation.
|