Aquaponic Grow rack, used with an existing tank or aquarium or placed on top of optional 55 gallon fish/filter barreLS (sold separately), used next to a pond outdoors. Four trays can support a total of 24 plants
Mac laryngo blade, disposable Fo, Attach selected blade onto handle by hooking blade onto handle rod, Pull blade upward to open position to automatically activate light. To turn off, push blade downward into off position and disconnect from handle, Size: 1
Pulley Large Demonstration Double, Designed for Classroom Demonstrations, Light-weight, low-friction, and deformation-resistant plastic ensures accurate results, Open to make it easier for users to run pulley cords through them
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