The manual version already offers a high degree of user convenience. The panels can be easily and safely slid by hand to the required position. The top and bottom sealing strips are then simply extended and braced in situ using the manual crank.
The manual version already offers a high degree of user convenience. The panels can be easily and safely slid by hand to the required position. The top and bottom sealing strips are then simply extended and braced in situ using the manual crank.