2-HI Modulfilter CLEAR with 70 sq. ft. pleated polyester cartridge (25 micron) and 4 lbs pre-bagged carbon, providing complete mechanical and chemical filtration. Clear PVC housing for indoor use. Bleach pleated cartridge and rinse with garden hose to clean. Great for high bioload Aquariums. Use with high flow pumps for maximum water clarity. 1-1/2' FPT and 2' spigot ports.