I have just checked coupons. The lowest price I could get is $24.99 for High Pressure Booster Toilet Spray (in Banggood). Get coupons, create price alert or check price history out! You probably want to know what is the best price?
Latest coupon code price check (UTC time):
High Pressure Booster Toilet Spray Gun Faucet Copper Dual Control Valve Handheld Bidet Sprayer Toilet Cleaning Hygienic Shower for Bathroom Accessories
Banggood ($24.99)
Banggood warehouse is located in China. There is no active coupon in my database right now (for Banggood). The question is – is it a good price? This price is higher than average price ($24.49) for this item.
Link: Banggood product page
Price: $24.99
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k and https://couponsfromchina.com/short/5cd
Old coupons (from the oldest to the newest): BG202b49
(system checks these coupons on every price check (like once per 24 hours), but you can check them out anyway)
Aliexpress
There’re some similar (or not) items on Aliexpress
Click here to search by yourself. Here are coupons that you can use.
Price history and price alert
Do you need price history chart (for all/most countries) for High Pressure Booster Toilet Spray? 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)).