Rave Well-known member Lifetime Membership Sep 12, 2008 #1 I just bought a roller secondary that has a Goodwin (I believe) helix in it. Only number showing is GP910. Number does not show up on their site. Any way to figure out what it is?
I just bought a roller secondary that has a Goodwin (I believe) helix in it. Only number showing is GP910. Number does not show up on their site. Any way to figure out what it is?
H Heavysledz Free Member Sep 12, 2008 #2 a picture is worth a thousand words! Post a pic and someone will have an answer for you.