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We guarantee that you will be happy with every purchase you make at Home Science Tools! Every product you purchase is covered by our exceptional 90-day money-back guarantee. We have been delighting our customers with quality science products since 1994!

• During this period you may return for a full refund any product that you decide not to keep, providing it is unused and in its original packaging.
• If for some reason you are dissatisfied with one of our products during this 90-day period, we will replace it or give you a refund, whichever you prefer.
• We stand behind all our products and will replace or repair defective products not covered by a manufacturer's warranty even beyond 90 days.

See our return policy for further details.