Duedusto 2Pcs 36"x18"Reptile Terrarium Substrate Barriers, Bioactive Terrarium Supplies, Reptile Tank Accessories for Geckos, Snakes, Lizards, Frogs, Tarantula, Newts, Salamanders, Skinks

Helps separate ABG and other substrate mixes from drainage layers, supporting proper humidity and preventing substrate breakdown over time

Blocks loose substrate and most bioactive organisms from entering the false bottom, helping maintain a cleaner drainage layer in your bioactive terrarium

Designed with just the right mesh size—small enough to block debris, yet breathable enough for proper water flow

Includes two 36.2" x 18.9" substrate guard meshes—easy to cut and fit different size terrarium or vivarium. Sized with extra room to wrap edges, helping contain substrate and stabilize layers in 36" x 18" tanks

Made from natural, lightweight fabric that’s flexible and friendly for small animals like geckos, bearded dragons, ball pythons, frogs, newts, salamanders, skinks