In short
- Number 1 bestselling Floor Drain: COTTO CT697Z2P(HM) at ฿ 367.29 per Pieces
- Bestselling Floor Drain PVC 1 inch: COTTO CT640Z1PN(HM) at ฿ 335.51 per Pieces
- Brands with the most items in the top 10: COTTO, 7 items
Online prices as of 5 Nov 2026, delivery not included
Bestsellers by type
Top 10 bestselling Floor Drain
- 1
฿ 367.29per Pieces
- 2
Stainless steel odor-resistant drain strainer for 2.5 - 3 inch PVC pipe, 5-inch strainer face, American Standard A-8209-N
American Standard3.00 kg฿ 615.00per Pieces
- 3
฿ 585.98per Pieces
- 4
฿ 663.55per Pieces
- 5
฿ 390.65per Pieces
- 6
฿ 277.57per Pieces
- 7
฿ 468.22per Pieces
- 8
Brass drain strainer for 2-2.5 inch PVC pipe, 4 inch strainer face, American Standard A-8203-N
American Standard0.10 kg฿ 390.00per Pieces
- 9
฿ 367.29per Pieces
- 10
Chrome-plated brass drain strainer for 2-2.5 inch PVC pipe, 4x6 inch strainer face, American Standard A-8206-N.
American Standard2.00 kg฿ 1,102.50per Pieces
COTTO
Number 1 Floor Drain by type
| Type | Number 1 bestseller | Price | Bestsellers by type |
|---|---|---|---|
 Floor Drain PVC 1 inch | COTTO CT640Z1PN(HM) | ฿ 335.51per Pieces | Floor Drain PVC 1 inch bestsellers |
 Floor Drain PVC 1.5 inch | COTTO CT640Z2P(HM) | ฿ 390.65per Pieces | Floor Drain PVC 1.5 inch bestsellers |
 Floor Drain PVC 2 inch | COTTO CT697Z2P(HM) | ฿ 367.29per Pieces | Floor Drain PVC 2 inch bestsellers |
 Floor Drain PVC 2.5 inch | Stainless steel odor-resistant drain strainer for 2.5 - 3 inch PVC pipe, 5-inch strainer face, American Standard A-8209-N | ฿ 615.00per Pieces | Floor Drain PVC 2.5 inch bestsellers |
 Floor Drain PVC 3 inch | COTTO CT697Z2P(HM) | ฿ 367.29per Pieces | Floor Drain PVC 3 inch bestsellers |
 Floor Drain PVC 3.5 inch | COTTO CT640Z3(HM) | ฿ 367.29per Pieces | Floor Drain PVC 3.5 inch bestsellers |
 Floor Drain PVC 4 inch | COTTO CT697Z3P(HM) | ฿ 468.22per Pieces | Floor Drain PVC 4 inch bestsellers |
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 5 Nov 2026, delivery not included
- Updated automaticallyRanks follow new orders; prices follow the store
Frequently asked questions
Which Floor Drain sells best on OneStockHome?
COTTO CT697Z2P(HM) at ฿ 367.29 per Pieces number 1 by units ordered, as of 5 Nov 2026
Which Floor Drain brands sell best?
The top 10 bestselling Floor Drain include COTTO (7), American Standard (3)