HEPA Air return filters
On 2010-08-04, Jim Elbrecht wrote:
What part of the IEST RP-CC001.5 that outlines the qualifications
needed to be called a HEPA filter, do the furnace filters sold as HEPA
filters *not* comply with?
Why do you keep asking me? Are you too stupid to extrapolate this
information yourself. YOU tell ME!! Or are you jes sharpening your
passive-aggresive skills?
nb
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