Crayon, Large Wipe-Off White Board, Twist-Up & Specialty, Non-Toxic & AP Certified, Odor free, Never dries out, Lasts longer than markers, Will not stain hands, Various sizes & assortments, Wipes off with dry towel or cloth; additional cleaning may be required
Durably Constructed to Withstand Wear and Tear Resulting from Repetitive use,Waterproof Housing Protects the meter in their Working Environment,Simple Operation in a Slim and Portable Design,measurement of pH, oxidation-reduction potential(ORP), conductivity, salinity
Voltage Converter 1000 Watt, Diamond Series Type 3, Dimensions: 7.25 in x 8.25 in x 5.75 in, Extra Adapter Included to Use with 220 Volt Outlets, Step-up 110/120 to 220/240 volts, Step-down 220v/240v to 110v/120v.