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As packaged, this test kit refill replenishes consumables in the Ecosystems and Their Interactions 1-Class Water Quality Test Kit (item #513605). Refill should only be used with the STCMS™ Ecosystems and Their Interactions unit kits (items #513601 and #513601U5) or refurbishment sets (items #513604 and #513604U5). Note: Refill does not include instructions for use.
If for any reason you are not satisfied with this item, it is eligible for a return, exchange, refund, or credit up to 180 days from date of purchase. Restrictions may apply. Returns & Exchanges Policy.
