What is the differences between PVC square suction hose and round suction hose?
PVC suction hose is a kind of all-PVC hose made of soft PVC and reinforced with hard PVC skeleton. There are two kinds of PVC suction hose in the market, one is round skeleton reinforced, the other is square skeleton reinforced. So what’s the difference between the two structures? In essence, the material of PVC suction hose is same, the difference is…