Basin Waste Seal

 Fits to the under side of the basin

Use no putty, silicone or any other seal

This is the only seal you need for a first time seal

Fit washer as shown 
push black rubber seal firmly onto the basin waste
Fit plastic washer over the rubber seal ensuring even fit
Tighten nut to seal (not supplied)
view the pictures for correct way to fit
The white washer is for the inside of the basin waste

Excellent piece of kit