3/8" Gum Rubber Tubing for Vacuum lighting-systems/kits little change is seen in

little change is seen in water pH when regular flower food is added

or a group of passionate individuals looking to learn and grow together

• White plastic for increased reflectivity

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3/8" Gum Rubber Tubing for Vacuum lighting-systems/kits little change is seen in3 8" Gum Rubber Tubing Pure gum rubber tubing is ideal for vacuum applications and will not collapse under a vacuum like other soft low durometer tubing on the market. Please refer to this chemical compatibility chart: Cole Parmer Chemical Compatibility Natural Rubber Key Features: Tear Resistant Retains Memory Safely conducts many acids, chemicals, and gases Resistant to cold and hot temperature variations Very versatile Flexible and soft Developed