Benchmark SureAir Replacement Filter Back Catalog number: B5200-FIL Manufacturer: BENCHMARK SCIENTIFIC Availability: In the manufacturer's stock Price on request - + Recommended 229036 96 needle head with straight needles Price on request E1101-COMB1 Extra double-sided combs, 22/12 teeth, for E1200-C Price on request B00218174 CGL3 3-neck adapter for reaction vessels with NS 55 Price on request