All that information should've been in the packaging with your filter or on the box itself. Standard driving requires a "recharge" every 50,000 miles. Also take a look at the K&N website. Everything you need to know about your K&N can be found on their website.
Current- 2016 Race Red Focus ST1
Traded In - Sedan Revolution #249 - 2012 SE Sport - ╠╬╝ - Ingot Silver - 201A - K&N w/ snorkel delete - Blox Type R Knob