For simple and cheap filter paper they work well. Not sure what pore size they are but for now they suit me. Minor tears or perforations from pressure (mostly my fault).
Port Authority Reusable ποΈ White Cover: Exceptional Style and Durability
5 Review
π¬ Lab Supply Filtration Membrane Solutions: Enhanced Diameter for Optimum Performance
4 Review
Polyurethane condoms 0.01 mm Sagami Original 0.01 - 5 pcs
12 Review
Diameter Lab Supply by Membrane Solutions
5 Review
π§ NANPU 1/2" NPT Compressed Air Filter Regulator Combo Piggyback with Auto Drain, 5 Micron Brass Element, Poly Bowl, Metal Bracket, and 0-150 psi Gauge
18 Review
NANPU Compressed Air Filter Regulator Combo: Brass Element, Semi-Auto Drain, 0-150 Psi Gauge, And More
21 Review
NANPU DFR-02 1/4" NPT Air Drying System - Double Air Filters, Air Pressure Regulator Combo - Semi-Auto Drain, Poly Bowl
20 Review
NANPU 1/2" NPT Air Drying System - 5 Micron Particulate Filter, 0.01 Micron Coalescing Filter, Air Pressure Regulator Combo - Semi-Auto Drain, Poly Bowl W/Metal Gauge
23 Review