Natural rubber laboratory hose red, approx. 55° +/- 5° Shore A, temperature range from - 30° C. to + 85° C. Tolerance according to DIN 7715E2. Silicone-free hose, REACH-compliant, RoHS-compliant. Excellent elasticity and flexibility, good wear resistance, FDA/BfR compliant. And natural rubber hose GSR red approx. 45° +/-5° Shore A, temperature range from - 30°C. to + 70° C.