Greddy Highly Advanced air filters have several functions, less restive airflow and improved filtration.

12500013 GREDDY Airinx Replacement Filter AY-S Yellow ~~$18.00~~ $17.10	12500014 GREDDY Airinx Replacement Filter AY-MB Yellow ~~$25.00~~ $23.75	12500016 GREDDY Airinx Replacement Filter AY-MB Blue ~~$25.00~~ $23.75	12500019 GREDDY Airinx Replacement Element AY-S Blue ~~$18.00~~ $17.10	12500300 GREDDY Airinx Universal Filter Set AY-SB 50mm Small ~~$90.00~~ $85.50
12500302 GREDDY Airinx Universal Filter Set AY-SB 70mm Small ~~$90.00~~ $85.50	12500303 GREDDY Airinx Universal Filter Set AY-SB 80mm Small ~~$90.00~~ $85.50	12500330 GREDDY Airinx Universal Filter Set AY-MB 60mm Large ~~$105.00~~ $99.75	12500331 GREDDY Airinx Universal Filter Set AY-MB 70mm Large ~~$105.00~~ $99.75	12500332 GREDDY Airinx Universal Filter Set AY-MB 80mm Large ~~$105.00~~ $99.75
12500333 GREDDY Airinx Universal Filter Set AY-MB 100mm ~~$105.00~~ $99.75	12512516 GREDDY Airinx Gt Drop In Air Filter TY-16GT ~~$35.00~~ $33.25	12512519 GREDDY AIRNX GT Drop In Air Filter TY-19GT ~~$42.00~~ $39.90	12522501 GREDDY AIRNX GT Drop In Air Filter GT NS-1GT ~~$35.00~~ $33.25	12552508 GREDDY AIRNX GT Drop In Air Filter HN-8GT ~~$42.00~~ $39.90