This Month Promotion ❤️ with extra discounts up to 5%. Discounts for new customers, the more you buy, the more you save, up to 55,000 baht! Until November 30.

This Month Promotion ❤️ with extra discounts up to 5%. Discounts for new customers, the more you buy, the more you save, up to 55,000 baht! Until November 30.

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Top 10 bestselling Floor Drain PVC 3.5 inch

  1. 1

    COTTO CT640Z3(HM)

    COTTOSize 4.8"0.20 kg

    ฿ 367.29per Pieces

  2. 2

    COTTO CT640Y3(HM)

    COTTOSize 4.8"2.00 kg

    ฿ 374.77per Pieces

  3. 3

    ฿ 307.48per EA

  4. 4

    ฿ 327.10per EA

  5. 5

    COTTO CT640Y3P(HM)

    COTTOSize 4.8"0.30 kg

    ฿ 484.11per Pieces

Brands in the top 10

How we rank

  • Real sales onlyRanked by the units customers ordered and paid for on OneStockHome
  • Only what you can buyOnly items on sale with a price are counted
  • Today's pricesOnline prices as of 6 Nov 2026, delivery not included
  • Updated automaticallyRanks follow new orders; prices follow the store

Frequently asked questions

Which Floor Drain PVC 3.5 inch sells best on OneStockHome?
COTTO CT640Z3(HM) at ฿ 367.29 per Pieces number 1 by units ordered, as of 6 Nov 2026
Which Floor Drain PVC 3.5 inch brands sell best?
The top 10 bestselling Floor Drain PVC 3.5 inch include COTTO (5)
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