Air pumps

[scuba123cliff]

Wouldnt you no it get home from work my piston air pump dead no air bugger 15 tanks no filters .Lucky i have a few 4 outlet pumps to hook up so all is not lost no one dead all going again ,it was working at noon i popped in to see my son and while i was home feed them all good .But 3.15 open door to fish room no pump so i hope all filters are good ,any way need some recomendations for a new pump it has to run 15 tanks old one was 50lpm which was good so can any one help me ,what do you guys use .

Cliff