HL & HP 800 Series Interested in purchasing equipment? Get a Quote View the Specs: HL840 HL850 HL860 HL880 HL890 HXL8015 HXP8015 View the Brochure: HL840-HL890 HXL8015-HXP8015 Dialog Plus™ Control Panel ACS Cleaning System Self-Cleaning Eco-Filters