Blow down function accessories for nitrogen/air Back Catalog number: 12905 Manufacturer: LCTech Availability: 3 weeks Price on request - + Recommended 5982-9104 SPE Manifold Male Luer Plugs, 25/pack 36,44 € 11631 Rack* for 3mL SPE-Cartridge Price on request 12234038 SPS 24 SS delivery needles, 25/PK 206,26 €