Air analysis apparatus; Apparatus for automatic chromatography for laboratory use; Chromatography apparatus for laboratory use; Chromatography columns for laboratory use; Electronic-based instruments for measuring environmental parameters including humidity, mold, bacteria, air quality and water quality; Glassware for scientific experiments in laboratories; Laboratory apparatus and instruments for extracting nucleic acid, DNA, not for medical purposes; Laboratory apparatus, namely, a syringeless filter; Laboratory consumables, namely, pipette tips; Laboratory equipment and supplies, namely, centrifuge tubes; Laboratory equipment and supplies, namely, test tubes; Laboratory equipment, namely, pipette racks; Laboratory equipment, namely, plastic, rubber and elastomer closures, seals and stoppers for laboratory bottles; Laboratory filters; Laboratory glassware; Laboratory glassware, namely, flasks; Laboratory pipettes; Laboratory storage tubes; Petri dishes used in laboratory research; Surveying machines and instruments; Water filter controllers