The Formlabs Rigid 4000 Resin V1 RS-C2 series is a high-quality resin specifically designed for the Form 4 3D printer. Made in the United States by the reputable brand Formlabs, this white resin is ideal for producing rigid and durable prints. Compatible with the Form 4 model, this resin ensures precise and detailed results for a variety of applications. Whether for prototyping or producing functional parts, this resin is a reliable choice for achieving excellent print quality.