BestAir L8, Lasko Cascade Replacement, Paper Wick Humidifier Filter, 8.5" x 2" x 12.6" Wick filter fits lasko natural cascade 1128, 1129 (thf8) Adds extra shine to your product Made in the USA Antimicrobial Wick Filter Traps impurities in the water Up to 150% stronger Aluminum reinforcement