折疊式初效空氣過濾器

Fold-down coarse efficiency air filter

特點Features

●紙框或鋁合金金屬外框開利空調初效空氣過濾器|開利空調中效空氣過濾器

●阻力小、風量大

●適用于空調系統的初級過濾

●Paper box or aluminum metal frame

●Responding to small resistance, air

●Applicable to air conditioning system  adopts the primary filtration