An in-person Dyson staff told me that a v15 laser soft roller was compatible with a v10, however, an online staff said that it was not. I have nothing against the staff
Dyson Vacuum Cleaners
Dyson V7 Animal #madeinScandia | Πανίσχυρη και χωρίς απώλεια απορροφητικότητας, με 30 λεπτά συνεχόμενης ασύρματης χρήσης και εύκολη μετατροπή σε σκούπα χειρός, η Dyson V7 Animal (€565)... | By Scandia Cyprus | Facebook