The Resin Pumping System is an accessory for Form 3 Series 3D printers that seamlessly delivers 5 Liters of resin through a pumping system directly to the printer’s resin tank. Reduce waste by 86%, improve efficiency with less frequent cartridge changes, and unlock bulk pricing on Formlabs SLA resins. The Resin Pump connects to the Form 3 Series printers to allow 5 liter cartridges for maximum throughput, sustainability and hands off 3D printing. ONLY for use with Resin Pumping System, item #6306-847. Non-Latex Shelf Life : 730 days Country of Origin : USA