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.
Common Questions
Trustpilot
TrustScore 4.5 | 7,300+ reviews
Anjali K.
The product quality is outstanding. Exactly what I needed for my work.
1 month ago
Abdullah B.
Great price for an authentic product. Fast international shipping too!
