This universal-fit letterplate from Yale provides an excellent external weather seal & an internal draught seal to protect the home from the outside elements. Internal brushes reduce heat loss & an external foam seal prevents weather ingress. Its sleeve width of 254 mm. ensures that it can take full A4 size post without bending
- a common problem for other letterplates. Internal & external thumb handles make it easy to open the flaps & its fully sprung flaps have high endurance (tested to 40000 cycles). The external flap is designed to open 147 for generous posting access. Supplied with a 40/40 adjustable sleeve set for door thicknesses of 38-78 mm. Suitable for Timber PVCu & Composite doors.