过滤网片一般指由冲床冲裁而成的单层过滤网，过滤网材质有不锈钢丝网、铜丝网、低碳钢丝布等;
形状有圆形、环形、矩形、椭圆形、月牙形、半圆形、三角形等多种形状。



Filter net slice usually is defined as monolayer filter net that punch cut it into parts.

The materials of filter net have stainless steel wire net, brass wire net, soft steel wire cloth etc.

The shape: round, ring, rectangle, ellipse, crescent shape, half round, triangle and so on.