How to Use Toilet Wash Room Drain Hose ? (Toilet Wash Room Drain Hose Making Machine)
how to connect drain hose with toilet ?
what kind of toilet use this kind drain hose ?
what to do if one drain hose length is not enough ?
discription of the toilet drain hose
4. can be bend into any shape, will not deformation
5. can be extension, can be shrinkable
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