BG-FILCOTEN® 100 Trench Drain Grate, 4.80 in. Wide X 19.69 in. Long, Slotted Design, NDS Class E Load, Ductile Iron Window Well Cover This 6 mil liner is

This 6 mil liner is commonly used in ponds

The waterproof wall sheets have an estimated lifespan of 100 years when not in direct sunlight

hard-surfaced zones

and end cap

This product includes eleven 36" oak stakes for secure installation

BG-FILCOTEN® 100 Trench Drain Grate, 4.80 in. Wide X 19.69 in. Long, Slotted Design, NDS Class E Load, Ductile Iron Window Well Cover This 6 mil liner isPrevent debris from entering and clogging the drainage system with the trench drain grate. This sturdy ductile iron grate, or drain cover, has a slotted design with openings that span the width of the grate and has an NDS Class E load rating when properly installed. It has an open surface area of 72 sq. in. per meter and 221 GPM flow rate. Two half meter (19. 69 in.) grates will cover one BG FILCOTEN 100 4 in. trench drain. Iron grates are painted