Path: utzoo!attcan!uunet!know!samsung!usc!sdd.hp.com!zaphod.mps.ohio-state.edu!rpi!bu.edu!transfer!lectroid!mm From: mm@lectroid.sw.stratus.com (Mike Mahler) Newsgroups: rec.birds Subject: Re: INDOOR - air purifiers (was-Converting a Basement) Message-ID: <2447@lectroid.sw.stratus.com> Date: 25 Sep 90 15:26:48 GMT References: <902@cfiprod.UUCP> <26FA40F8.23F2@intercon.com> <1990Sep21.191755.26066@rice.edu> <26FEAA58.20E0@intercon.com> Sender: usenet@lectroid.sw.stratus.com Reply-To: mm@lectroid.sw.stratus.com (Mike Mahler) Organization: Stratus Computer, Software Engineering. Lines: 6 My experience is similar to Mikki's. I've used a Bionaire filter and have had to change the filter every month at the least and they can get expensive but they do work very well. Michael