RLSS FR4 4 Inch Media ReactorRLSS is known for their innovative quality products. The FR4 Media reactor is no exception and is suited for use with GFO, Carbon or any of your favorite chemical filter Media.
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Fatima A.
Best international shipping I've ever tried. Worth every penny!
3 days ago
Ali H.
Fast shipping and excellent packaging. The Leatherman tool feels very premium and sturdy.
