The Cleanroom Foam Swab FS707 is a high-performance cleaning swab engineered for precision cleaning in controlled environments. Designed with a large rectangular foam head and a long rigid polypropylene handle, FS707 provides excellent durability, superior solvent retention, and effective cleaning performance on large surfaces and hard-to-reach areas. その 100 PPI closed-cell polyurethane foam head is thermally bonded to minimize particle …