The Avocet Framemaster Letter Box is a robust and reliable choice of letter plate, having been performance tested to 40,000 operations and salt spray tested for 500 hours for proven corrosion resistance. It features an internal nylon brush draught seal and external weatherseal and it's supplied complete with twinstart fixing screws and a 10 year mechanical guarantee.
- Salt spray tested for 500 hours for proven corrosion resistance
- Performance tested flap to 40,000 operations
- 12 inch slimline aperture size
- Contains external weatherseal and internal draught seal
- Supplied with 2 twinstart fixing screws
- Internal nylon brush seal to reduce air filtration