Achieve a superior, solventless rosin extraction with Rosineer® Premium Rosin Press Filter Tube / Sleeve. Constructed from quality nylon thread that is resistant to boiling and free of dyes or solvents, the double-stitched seam ensures your bag won't break during pressing – no matter what length you cut it at! Plus, there are four mesh sizes for optimal filtration: 36 microns for finest detail; 72 micron great all around performance; 90 μm ideal when extracting large amount material; 120 μm suitable single source flower presses. Enjoy consistent high yields now!