1, anti-corrosion ability: This product uses the acid, corrosion-resistant resin-based materials produced using good curing formula, advanced curing process, according to the shape of each cesspool situation, determine whether a particular mold as a molding outer mold curing. 2, low cost, long life: cesspool deodorant than any other program, low cost, simple installation and construction, and long service life. 3, lightweight, high strength, easy installation: fiberglass hood set accounts for only 1/3 to 1/4 of steel products, high degree of cure, significant negative load, high strength, suitable for large span the cell body, while the cover can be divided a number of small, easy to transport and install. 4.21 If you have a fiberglass hood sewage doubt, please consult www.jdlfrp.com