Enhance centrifuge efficiency with configurable Trunnion-Rings with Adapters for AS 4.750, AS 4.1000, and AS 4.500 rotors. Compatible with 10–250 ml tubes and bottles, these high-quality rings ensure secure positioning, maximum capacity utilization, and safe, balanced centrifugation. Ideal for 15 ml, 30 ml, 50 ml Falcon tubes and laboratory bottles.