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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TrustScore 4.5 | 7,300+ reviews
Reema J.
Perfect platform for hard-to-find items. Delivery was prompt.
1 month ago
Rajesh P.
Customer service was outstanding when I had questions about the product.
