Human Anatomy, EKG, The Brain, Respiratory, I.V., Phlebotomy/Venipuncture, The Heart on 12 DVDs DVD 1 The Human Body DVD-rom interactive dvd This DVD demonstrates how the body works with video clips, moving parts, etc Cell Growth Tissue Growth General Osteo
2" 200B DCA Series 200B Double Check Valve Assemblies are designed to protect drinking water supplies from dangerous cross-connections in accordance with national plumbing codes and water authority requirements. It consists of a bronze alloy body construction and chloramine resistant elastomers. Series 200B features a separate access, top-entry check valve design for ease of maintenance and is for use at referenced cross-connections in non-health hazard applications.
3/4" 200B DCA Series 200B Double Check Valve Assemblies are designed to protect drinking water supplies from dangerous cross-connections in accordance with national plumbing codes and water authority requirements. It consists of a bronze alloy body construction and chloramine resistant elastomers. Series 200B features a separate access, top-entry check valve design for ease of maintenance and is for use at referenced cross-connections in non-health hazard applications.
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