ResMed Filters for S8/Type A $3.00 Qty Out of Stock Replacement filter to be replaced every six months. Similar Products ResMed Airmini Starter Kit P10 RRP $2100, Ansteys Price $1995 $2,100.00 $1,995.00 View... F&P Sleepstyle CPAP Machine Fixed $1,695.00 $1,395.00 View... ResMed Filters for S9 Pk 2 $6.50 View... ResMed Airmini Starter Kit N20 RRP $2100, Ansteys Price $1995 $2,100.00 $1,995.00 View...