5900 Series 2Pane Penetration Through Wall is 1.104"
1.75inch wall thickness trim ring comes with it.
(the above TR can be flipped for a thinner wall)
**the MFG says I can't buy different Trim Rings for different wall thickness anymore**
These windows can be installed buy drill/screwing through outer flange off the window!
Window 4 RV Trailer School Bus Tiny House Shed
Priced for 1pc (11pcs Available) FIXED 20H 17W Lippert/Hehr windows have been an industry standard for years. Reinforced vinyl seals help keep the interior dry in any environment. Large mounting flange for easy installation Operating hardware is zinc or corrosion-resistant steel Sloped sill for better water drainage Offset weep system reduces water and wind penetration Weather-exposed vinyl seals are nylon-reinforced to control shrinkage