Dr. Squeeze Rosin Filters are designed to keep contaminates out during the rosin extraction process. Available in 37,90, 120, and 160 micron sizes to aid with any extraction, from flower to hash. Why Choose Dr. Squeeze Rosin Filters? Dr. Squeeze Rosin Filters are designed for extractors who demand consistent performance, durability, and clean solventless results. Manufactured from premium food-grade nylon mesh, our rosin filter bags are engineered to withstand the high temperatures and pressures generated during the rosin pressing process.