ATI Hydro Sponge Filter #2 Bulk with New Gravel Base marina submersible a patented ribbed backing ensures

a patented ribbed backing ensures even distribution of activated carbon to deliver maximum water-to-carbon contact

This will help increase the life of your 3 Watt UV lamp

see expiration date below

Product comes with desiccant-lined tube with snap-tight cap

The heater has an output of 75 watts

ATI Hydro Sponge Filter #2 Bulk with New Gravel Base marina submersible a patented ribbed backing ensuresThe ATI sponge filters are excellent biological as well mechanical filters that only need a source of air to operate. They are excellent for fry tanks because they won't suck up your babies! For aquariums up to 20 gallons. Sponge size 4 x 2. 75 Inches. Comes with 5 inch lift tube. Bulk sponge filters are the same as the ones in the box without the packaging! Hydro Sponge filters stand tall over the competition with superior construction, quality