k1 media

Do i really need to use different bio media??? what's the best bio media I can use???

This thread is to document my conversion of a Nexus 310 to 320. This filter is made in the UK so don't confuse it with the Airbus A310 and A320. Recently, Airbus offered a re-engine of their airplanes called the NEO (New Engine Offer). Nexus did the same by offering an upgrade kit to improve...