Strong and rigid, one of the highest quality sliding windows on the market. Features include a tubular sill section for added strength. Glass inserts and master frame have screwed corner reinforcement.

Full woolpile weatherseal and interlocking meeting rails. Automatic locking mechanism to resist forced entry.

The 350 is available as a reversible single-slide or as a double-slide unit. Both have two moveable glass inserts and a moveable screen insert.  Model 360 is the same as the 350 but with a full screen.