AQUEON VERSA-TOP HINGED GLASS AQUARIUM TOP ONE PIECE Size:36X12 IN-30/38/45 Medium 5 inch recommended for

Medium 5 inch recommended for use in 5 to 20 gallon aquariums

and is easily renewed by treating with bleach

For extra fun

Unlike other products on the market which are simple ion-exchange resins

AQUEON VERSA-TOP HINGED GLASS AQUARIUM TOP ONE PIECE Size:36X12 IN-30/38/45 Medium 5 inch recommended forPerfect for reducing evaporation and keeping fish from jumping out of the aquarium. Features a clear vinyl back strip that can easily be cut to custom fit accessories. 24X12 IN 15 20H 33L 55 fits tank: 15, 20h, 30x and 40l gallons. 20X10 IN 10 20H fits tank: 10, 15h and 20x gallons. 36X12 IN 30 38 45 fits tank: 30, 38 and 45 gallons. 16X8 IN 5. 5 fits 5. 5 gallon. 48X18 IN 75 90 GAL fits tank: 75, 900, 110x (braced frame) gallons.