1 ISO9001:2008,SGS 2 Resistance suction,vacuum 3 soft 4 durable,non-toxic 5 beautiful outlook ... the factories,farm,ship,building and family.3 it is flexible,durable, non-toxic,without odor, and resistant to high pressure ... by adding colorful symble lines on the surface of the hose, it looks more beautiful.5 working temperature:-5°c~65 ... -1/4"3238401-1/2"3844402"505840 PVC water pump suction hose