Nylon Media Bags Select Product:21" x 30" (1/4" Mesh) w/ 1/2 Roll Filter Floss Splash control is critical in

Splash control is critical in small recirculating systems with little water volume

1 container contains up to 32 scoops

Be prepared to siphon out dead filamentous algae

Replacement Sleeve (#2 in the image below) for UltraKlean™ Biological Pressure Filter

however it is the perfect prefilter for the Evolution Aqua Nexus filter range

Nylon Media Bags Select Product:21" x 30" (1/4" Mesh) w/ 1/2 Roll Filter Floss Splash control is critical inPLEASE NOTE: Some pictures show media included. Please see description to know exactly what is included. Used in EasyPro Eco Series and Pro Series filters, these tough nylon media bags will last for many years and can hold all types of large media MB21 and MB22 are 1 4" mesh and have drawstring with push button release (No media included) MB18F is 3 16" fine mesh and has drawstring with push button release (No media included) Use two MB21 inAS, three