Use innocuous material, suit for dust catcher, cleaner, exhaust etc. the size is 38mm, and 183cm lengthSuch as the no. 4 in the photo

Use the EVA material, suit for cleaner and every liquid transportion, the caliber from 25 to 32, 38, 44.Such as the no. 8 in the photo.

Use fo vent wind,can use in Chemicals and living

Caliber:135mm/145mm/160mmOuter packing:100pcs/ctnXD308:135mm diameter and 390mm lengthXD309:145mm diameter and 390mm lengthXD311:160mm diametner and 400mm lengthMaterial: PP funnel and PE Hose

Use the PVC material, can take out oil, water and other liquid.1) DP-25Outer packing:30pcs / ctn2) DP-23Outer packing:48pcs / ctn3) DP-15Outer packing:60pcs / ctnCarton dimensions:78x32x53 cm4) DP-14O

Outer packing:90pcs/ctnCarton dimensions:56x46x56 cm

Use the material of PU and PVC, and steel framework, the sizes from 2 inch to 10 inch, suit for aeration, feeding liquid etc.Such as the no. 2 in the photo

There are steel framework inside, plating copper, have the size from 4 to 10. Can extend freely.Such as the no. 1 in the photo.

Use the transparent and innocuous material, and steel framework, inner diameter have: 9, 12, 15, 19, 25, 32, 38, 44, 56, 63mm, can use in foodstuff, sanitation, suit for exhaust, airiness etc. in the