_:n35bb42f0ebf24172a8178ee76ce59453xb33
<http://schema.org/description>
"Make your&#038;#160;GHL doser like new by replacing the roller assembly and head. Each replacement head includes the housing, rollers, and novoprene tubing. Just transfer the nozzles and install the new head, to keep your dosing rolling smooth and accurate.&#038;#160;"
<https://aquarium.bulkreefsupply.com/reefing/Dosing-Head>