[compatibility]: SH30 Replacement Heads suitable for Series 3000 shavers, 3600 shavers, 3800 shaver; Powertouch Series（PT720/14，PT722/15，PT725/14，PT726/14，PT735/14，PT786/14) , Series 2000 shavers (S2302/02, S2303/02, S2306/02, S2313/02, S2508, S2509/06), Series 1000 shaver (S1560/04, S1060/04, S1050/02, S1020/04, S1010/04, S1103/02, S1102/02, S1101/02). [Comfort shave]:Blades for replacement heads sh30 whoes rounded edges move smoothly over skin for a protective shave. for norelco sh30 replacement heads, get a comfortable dry and wet shaving experience. [360 Degrees without Dead Ends]:for norelco 3000 replacement blades,Remove your beard gently, painlessly and more clean, for norelco 3000 replacement blades round head design perfectly protect your skin from scratching. [Suggestion]:Recommend that replace sh30 shaving heads every 12 months for best performance,Product includes only 9 pcs sh30 replacement heads and 1pcs cleaning brush. [Easy Installation]:This for philips norelco 3000 replacement blades,Easy to install, simple steps, you'll be able to effortlessly replace the old heads with the new ones in no time. [compatibility]: SH30 Replacement Heads suitable for Series 3000 shavers, 3600 shavers, 3800 shaver; Powertouch Series（PT720/14，PT722/15，PT725/14，PT726/14，PT735/14，PT786/14) , Series 2000 shavers (S2302/02, S2303/02, S2306/02, S2313/02, S2508, S2509/06), Series 1000 shaver (S1560/04, S1060/04, S1050/02, S1020/04, S1010/04, S1103/02, S1102/02, S1101/02).