Taylor Multi-Purpose Case for K-2005/2006-C - 22 mL and 60 mL Bottles - Plastic Ribbed - 7120 gfeed these types of valves are

these types of valves are designed to allow excess pressure to escape

While the old-style ratchet system is cumbersome and bulky

This is a Taylor Drop Test Hydrogen Peroxide 5 ppm (Iodometric) Test Kit (1 drop equals 5 ppm)

The Peristaltic advantage includes: automatic degassing

Taylor Multi-Purpose Case for K-2005/2006-C - 22 mL and 60 mL Bottles - Plastic Ribbed - 7120 gfeed these types of valves areThis is a Taylor Technologies Multi Purpose Case for 22 mL and 60 mL reagent bottles. Case is ribbed with compartments that fit 22 milliliter (mL) 60 milliliter (mL) bottles. Case measures: 11 L x 7. 25 W x 5. 125 H inches.