Home / Tent Accessories / Side Walls & Cement bases / Twin Tube Plus French Window Wall ( 8′ x 20′ ) Twin Tube Plus French Window Wall ( 8′ x 20′ )$30.00 Twin Tube Plus French Window Wall ( 8' x 20' ) quantity Add to cart Category: Side Walls & Cement bases Product ID: 9517 Related products Small Cement Base $10.00 Add to cart Cement base – 1600LB $70.00 Add to cart DOUBLE DOOR FOR FRAME TENT $495.00 Add to cart