shogun7
26-07-2004, 05:03 AM
As I was perusing my "Indoor Comfort News" I came across an ad that said " If choice R-421 and R-22 had the same mom (mum), even she wouldn't be able to tell them apart. R-421 is the superior replacement fr R-22. no oil change required, ad it can be topped off multiple times.
for more go to: www.rmsgas.com ;) :)
for more go to: www.rmsgas.com ;) :)