Promotions
FREE SHIPPING ON ORDERS OF $49 OR MORE.
Only at hhscience.com. Enter promo code SUMMER49 on the checkout page to receive free shipping via USPS Priority Mail on orders of $49 or more. Offer excludes gift cards. Valid only for online orders shipped inside the contiguous United States. Orders are processed and shipped within 2 business days, excluding U.S. holidays. Offer valid 5/2/2023 through 11:59 pm EST, 7/31/2023. For help, contact HH Science: (330)722-5477 or hhscienceinfo@tcohio.com