The SPF POP FILTER consists of two parallel ortophonic rings mounted on a brace and fixed to an articulated arm. It attenuates high impact phonetic peaks and reduces sibilance. For smaller mics, this unit can be attached to the SSM-1 shockmount. SPF SPFUS List price: $99.95LVPA: $64.99 PF PF pfUS List price: $17.95LVPA: $11.99 Las Vegas Pro Audio does not ship internationally Las Vegas Pro Audio 7340 Smoke Ranch Road Suite A Las Vegas, NV 89128 Phone: 702.307.2700 sales@lasvegasproaudio.com