MT51013 For VSB (5ft)	MT51113 For VSB (5ft)	MT51213 For VSB (6ft & 7ft)	MT51413 For LBEVS, Deluxe LBEVS, VSI & PVSB
Height	18" (46cm)	18" (46cm)	18" (46cm)	16" (41cm)
Length	19" (48cm)	19" (48cm)	20" (51cm)	19" (48cm)
Width	8" (20cm)	8" (20cm)	10" (25cm)	5" (13cm)