The Shimadzu 228-21227-91 FEP Needle Seal Assy is designed specifically for use with Shimadzu lab equipment models including the SIL-6B, 9A, 10A, 10Ai, 10AF, and 10. This pack includes 3 seals, ensuring that your equipment remains sealed and secure for optimal performance during laboratory experiments or medical procedures. The high-quality materials and precise design of these needle seals guarantee a reliable fit and durability for your Shimadzu equipment.