Dunlop 300 series: MFil, Aerogel, 4D, Biomimetic

Dunlop 300 series: MFil, Aerogel, 4D, Biomimetic all have same mold but slightly different. Lets take a look. 

MFil and Aerogel same with sligh difference in swing weight, stiffness, and balance.

AG 4D and Bio have thinner beam compare to previous models, thus different swing weight and stiffness.

All data from racquetfinder:

	MFil	Aerogel	Aerogel 4D	Bio 300
head size (sq in)	98	98	98	98
weight (strung)	309	309	309	309
string pattern	16x19	16x19	16x19	16x19
length (in)	27	27	27	27
swing weight	317	316	320	308
stiffness	61	65	60	66
beam width	21.5	21.5	21.0	21.0
balance (strung)	3 HL	4 HL	3 HL	2 HL
power level	low-med	low-med	low-med	low-med
customization	leather grip lead handle	leather grip lead head	n/a	n/a