The F Series Sash Balances from Era combine stainless steel spiral rod torsion and tension springs to produce a complete balancing device capable of maintaining the equilibrium of a sash window at any point in the travel of the sash. The F series of balances is designed to suit a sash weight range of 16lbs to 23lbs (7.3kg to 10.4kg). All Era sash balances have semi flexible tubes which enable ease of use during installation or replacement and the F Series balances are supplied pre-tensioned for maximum convenience, therefore they should be the correct weight for the sash. They are sold as a pair and supplied complete with 10 year manufacturer's guarantee.

• Suitable for timber windows
• Pre-tensioned for user convenience
• Dual tension springs with a semi-flexible outer tube
• All balances can be adjusted with a screwdriver for easy on site adjustment
• 1 pair of balances required per sash
• Weight carrying capacity 16lbs - 23lbs (7.3kg -10.4kg)