hat
• Lòd ekran ak wotè konstan tansyon prentan ak doub ray pouli pouli. Sistèm sa a kenbe ekran an nan tansyon konstan pou li ka sispann nenpòt kote ak kòd la pa pral ale nan tout glas la lè se ekran an anile.
eng
• Order screens with constant tension spring rollers and double pulley bottom rails. This system keeps the screen in constant tension so it can be stopped anywhere and the cord will not go across the glass when the screen is retracted.