Check coupons or create price alert down below. What is the best price?
Aliexpress
There’re some similar (or not) items on Aliexpress
Click here to search by yourself. Here are coupons that you can use.
Latest coupon and price update (UTC):
Totalizer (Max.): 9 /999.9 GAL or 9 /999.9 L, Units of Measure: Gallons or Liters, Water Flow Rate: 20L/H – 2 /400L/H, Thread: for taps with 3/4” or 1” BSP or NH thread, Battery: 1 * CR2032 (Included), Working Pressure: 0.5 bar~5 bar (7.25~72.5PSI), Water Temperature: 41 to 104 ˚F (5 to 40 ˚C), Waterproof: IPX6, Brand: RAINPOINT
Banggood
Banggood warehouse is located in China.
Link: Banggood product page
1. ($25.19): BG23ALEAprD
2. ($26.31): BG589b2e
paste coupon code in your cart and click Apply after clicking “Proceed to checkout”. Click to copy code and open shop.
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k and https://couponsfromchina.com/short/5cd
Old coupons (from the oldest to the newest): BGMX284, BG3c8551, BGJUNEGSG9, BG7b9c94, BGea947e, BGHUXC107, BGbfe0b4, BG1ccfe0, BG56f78b, BG21a258, BG8d94e7, Cuponation9, BG2d7e03, BGce49c8, BG0aac08, 9OFFSUMMER, BGbcb244, BG88aceb, BG1175b3, BG8ReviTrage, BG00c906, BGdbe184, BGae4373, BGf625a4, BG41da4f
(sometimes old coupons work, so you can check them out (this site checks them on every price update))
Other warehouses/versions
This item is available in 1 another warehouse/version!
1. Europe – RAINPOINT Water Flow Meter [EU] ($-3)
Price history and price alert
Do you need price history chart (for all/most countries) for RAINPOINT Water Flow Meter? There we go.
Price records source(s): Banggood
Click on image to enlarge. 
You can set price alert (for Banggood and Aliexpress (only if product name will be the same as on Banggood and I will post it on social media though, so it’s more like Banggood price alert)).