Pretty good deal on these. There are probably other good Prime Day deals too.
$11.75 each if you buy the 4 pack with the drip sensor, $10.99 each with no drip sensor.
https://www.amazon.com/gp/product/B09XDP2LZF/ref=ppx_yo_dt_b_asin_title_o06_s00?ie=UTF8&psc=1
