折叠式初效空气过滤器

Fold-down coarse efficiency air filter

特点Features

●纸框或铝合金金属外框开利空调初效空气过滤器|开利空调中效空气过滤器

●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