Please Note: In accordance to the new Terms & Conditions our Spring Balances Suplier- Caldwell, the minimum order is more than one pair of springs (2 qty - 2 x sash windows), if you order only one window on springs, the additional charge will be £66.00 + VAT
Standard glazing 4/16 argon + white warm Edge spacer / 4 Thermofloat UW-1,1