0 Konan Original LIFELEX Pressure-Storage Car Wash Cleaner KYK07-5988

One car wash cleaner can be used in two ways (approx. 2L)
Water washing like a water cannon and foam washing with intense foam spray over a wide area
Large capacity, high performance pump, disassembled and refuelable

0 Daiso gardening sprayer (approx. 1.5L)

Performance is inferior to that of the Kohnan product, but it is a good and inexpensive product
300 yen (tax not included) is really cheap!
Can be made very foamy with a simple modification

0Past video of Daiso sprayer modification
New Daiso sprayer easy modification! Comparison of old and new [Fierce foam maker
   • 新型ダイソー噴霧器かんたん改造！新旧の比較【激泡製造機】  

Car shampoo can be made into foam! Daiso sprayer (improved version)
   • カーシャンプーも激泡！ ダイソー噴霧器（改良版）