20' x 100' 3/8" Mesh Bulk Pond Netting PVC Fittings It gives off a uniform

It gives off a uniform bubble pattern at flow rates up to 3 CFM of air

we recommend only using the two sided tape instead of both to create a smooth shingle effect for water flow

A bag of Bio Balls weighs approximately 8 pounds instead of Lava Rocks 40 lbs

Each nozzle includes a built in swivel that allows nozzle to tilt up to 15 degree

20' x 100' 3/8" Mesh Bulk Pond Netting PVC Fittings It gives off a uniformThis strong pond netting is ideal for keeping predatory birds and smaller debris, like pine needles or maple seeds, out of your pond. It is black in color and has 3 8" mesh, which allows you to be able to easily see through it. The multiple polyethlene strands make it strong enough to last for years! This product is a 20 x 100 foot roll of 3 8" mesh netting.