You can create price alert here, copy coupons and view price history. What is best price?
Material ABS+PVC, Color As picture shows
Aliexpress
There’re some similar (or not) items on Aliexpress
Click here to search by yourself. Here are coupons that you can use.
Latest price update (UTC time):
Banggood
Banggood warehouse is located in China. There is one great coupon!
Link: Banggood product page
1. ($45.11): BG589b2e
you should apply the coupon in your cart after clicking “Proceed to checkout”. Click to copy code and open shop.
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k and https://couponsfromchina.com/short/5cd
Old coupons (from the oldest to the newest): BGTYGR907, BGAlerabat1, BG5407af, Terence, BG81eafa, Tabby20, BGbef32d, BG5012f1, BGba7a91, BG36fe8a, BGLMWPL1, BGLMW2, BGLMW4, BGLMWCZ2, 8Couponsde, BG56c41e, 8BGwbg2204, tRaDetRaCKeR, 8wEbgaInS5, BGd5aec9, BG2048c0, BGJUNEGSG9, BGJUNPT7, BG9678ff, DealBGimpact, Cuponation9, BG8ReviTrage, BGcoupon8off, BGGutscheine, BG00c906, BG8OFFCOUPON, TTBLACK5, BGdbe184, BGf625a4, BG7ffea4, BG9e10a2, BG23ALEAprD
(there’s a little possibility that old coupon will work)
Other warehouses/versions
This item is available in 1 another warehouse/version!
1. Europe – 40m 152Pcs Drip Irrigation Kit Automatic Sprinkler [EU] ($-3)
Price history and price alert
Here is price history (for all/most countries) for 40m 152Pcs Drip Irrigation Kit Automatic Sprinkler.
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)).