P24 Anthracite Grey UPVC Single-Rail Sliding Unit with 4 mm + 16 Air + 4 mm Glass

P24 UPVC is an anthracite grey single-rail sliding unit from the Vitali line, with one fixed panel and one sliding panel. The listed glass configuration is 4 mm + 16 air + 4 mm, and the visible layout shows a two-panel sliding arrangement.