Disposable paper filter housings generally fall into the general framework of cardboard boxes and high strength die hardboard.Pleated filter in the filter materials for metal-lined single screen.

• 一次性纸框过滤器的外框一般分为一般硬纸框和高强度模切硬纸板，滤芯为打褶的纤维过滤材料内衬单面金属丝网。