HEPA H14 filter for NT 35/45 vacuums, Kärcher - Accessories for professional vacuum cleaner
BIO X HEPA H14 filter - CELLINK
Solotec Scientific Limited Waysafe™ H14 HEPA Filter For Use With Waysafe™ SA, GP and AS Enclosures Waysafe™ H14 HEPA Filter Enclosure Kits | Fisher Scientific