This is a "lattice lid" for square plastic water collecting trout.
Allows drains to flow directly into the trout.
Excellent chemical resistance Made of reinforced polypropylene for superior chemical resistance.
Outer Dimensions: 10.4 x 0.6 inches (262 x 15 mm) (center part H24 mm)
Color: White
Weight: 2.2 lbs (1.0 kg).
Made in Japan
The same standard as Sanko (Manko) water collecting trout, Dragonfly Good Home box.