产品规格（Product Specifications）：
|
内径mm Inner Dia. mm
|
50
|
60
|
50×90
|
50×90
|
产品说明：
由不锈钢自动焊接，经各种模具精制而成，具有美观、环保、耐用等特点。适用于天燃气强排式、平衡式热水器、及其它专用设备通风装置。
Product Features:
It is made of stainless steel automatically welded
together and elaborately manufactured by various molds, featuring elegant appearance,
environment protection and durability, it is used in the vent apparatus of
compulsory exhaust type and balance type water heaters using natural gas as
fuel and other special equipment.