Returns: 30 days refund/replacement You can return any item within 30 days of delivery for a full refund or replacement, as long as it's unused and in its original packaging. Some products may be subject to restocking fees—see our return policy for full details.

Payment: Secure Transaction All payments are handled via industry-standard encryption and fraud protection. Your card details are never stored by us, and you’re covered by buyer-protection policies for a worry-free checkout.

Have a Question? Ask our Pros

Call Us at 888-233-2999 Mon - Fri 9am-5pm ET

Email our Pros We are here to help

Live Chat Our operators are standing by

These grommets can be used to replace old, worn top hat grommets in your hydroponic system and can be a valuable solution when building your own garden system. Top Hat grommets have a straight side wall for easy installation. When the fitting is inserted into the grommet, the wall is pushed against the whole surface to create the seal.