描述：
详细描述DESCRIPTION
合页式初效过滤器也叫折叠式初效空气过滤器
特点 Features
纸框或铝合金金属外框
阻力小、风量大
适用于空调系统的初级过滤
Paper box or aluminum metal frame
Responding to small resistance, air
Applicable to air conditioning system
adopts the primary filtration
*可根据用户要求定制不同规格型号的过滤器
According to user requirements to customize different specificati** and types of filters
