Does anyone with a Rion have the automatic vent openers? I (finally, after having my GH for about 11 years) bought a couple of vent openers from Harbor Freight, but then, in looking at the instructions on the Rion website for installing vent openers, find that I need some kind of "gripper" to insert into the channel below the window, to screw the lower part of the opener into.
Here's a link for the instructions from Rion:
http://www.riongreenhousekit.c...
Any suggestions for what I might substitute for their "official" part? Thanks!