The Protective Reservoir Lids for 25 and 50 ml reservoirs represent a significant advancement in laboratory consumables offering enhanced security and protection for valuable reagents These lids are meticulously designed to provide a perfect fit for both 25mL and 50mL reservoirs ensuring that solutions are shielded from airborne contaminants and evaporation is minimized Key Features Comprehensive ProtectionThese polystyrene lids are engineered to line the perimeter of 25mL and 50mL reservoirs snugly offering complete protection against external factors that might compromise the integrity of stored solutions Sterility AssuranceThe lids are RNase DNase and pyrogen-free ensuring that they meet the highest standards of sterility and do not introduce any biological contaminants into the reservoir contents This feature is particularly crucial for sensitive experiments and procedures Sterile PackagingSupplied in sterile bags of 5 these lids maintain their sterility from manufacturing to