Air Tightness


 King of protection, no wind, no rain.
Applied with the regulator idea of jet canopy, all self-active anti-shake pressure regulator construction, all work without window hook support.

Design with four piece of regulator block, pressing window frame and provide air tightness and soundproof. 
Compare with normal air tightness window single-wing gasket, STP takes two-wings gasket as standard, improve air tightness at all aspects.