BOARDWALK® SIPHON PUMP CONTAINS A CONVENIENT EASY STORAGE PLUNGER THAT LOCKS DOWN TO REDUCE ITS HEIGHT FOR COMPACT STORAGE. THE EASY-TO-USE SIPHON PUMP IS GREAT FOR A VARIETY OF APPLICATIONS WHERE IT'S MORE CONVENIENT TO USE A HAND PUMP THAN REMOVE A CAP AND SQUEEZE OUT. THE RELIABLE PUMP CAN BE USED WITH SOAPS LOTIONS AND CHEMICAL CONCENTRATES. THE VERSATILE PUMP FITS MULTIPLE ADAPTORS; INCLUDING 38/400 89/400 110/400 120/400.