water heat recovery drain for bathroom

Item Number: water heat recovery drain for bathroom
Product Name: GT3
Description: water heat recovery drain for bathroom, with horizontal drainage system.
working help with the boiler save electrial energy or gas.
with insert siphon and strainer to more convinience usage.
Features:
heat revovery efficiency 10% around
Specification:
1000*140*67 mm
water heat recovery drain for bathroom