The techincals of welding liquid filter bags as follows,

Materials available:
(PP) Polypropylene, (PE) Polyester, (PA) Nylon Monofilament

Physical sizes:
01, 02, 03, and04

Micron sizes:
(PP) 1, 5, 10, 25, 50, 100, 200
(PE) 1, 5, 10, 25, 50, 100, 200
(PA) -25, 50, 80, 100, 150, 200, 250, 300, 400, 600, 800

Sewn Construction Filter Bags

Materials available:
(PP) Polypropylene, (PE) Polyester, (PA) Nylon Monofilament

Physical sizes:
01 and 02

Micron sizes:
(PP) 1, 5, 10, 25, 50, 100, 200
(PE) 1, 5, 10, 25, 50, 100, 200
(PA) 25, 50, 80, 100, 150, 200, 250, 300, 400, 600, 800