Up-Draft II Opti-Neb nebulizer. Designed to be a universal nebulizer, the Up-Draft II gives you added flexibility in flow rates, delivering quality aerosols at flows ranging from 5 to 9 lpm Nebulizes at angles up to 45 to accommodate special treatment requirements. Produces fine, dense particles for effective therapy. Easy-seal, threaded cap and 8 cc capacity jar. Anti-spill design prevents loss of medication in any position. Jet stays in place unless intentionally removed. Available with standard or universal tubing connector.