A complete High-Sensitivity plastic body nebulizer featuring Viton o-rings and Platinum/Iridium needle. The body is fabricated of inert plastic materials for maximum performance and corrosion resistance. This high-sensitivity nebulizer is for most solutions, but not for precious metal samples containing aqua regia. This assembly includes: Impact Bead, Qty. 1 (B0505086) Nebulizer Spacer, Qty. 1 (B3150531) O-Rings for Nebulizer Body, Qty. 2 (09902015) Spring, Qty. 1 (09920483) O-Ring for Capillary Assembly, Qty. 1 (09926127) Pt/Ir Capillary Assembly with O-Ring, Qty. 1 (B3150525) Locking Ring, Qty. 1 (N3151205) Fine Adjustment Nut, Qty. 1 (B3150462) It's compatible with the PerkinElmer AAnalyst 200/400/700*/800* AA instruments. Note: The AAnalyst 700/800 requires end cap assembly (N0370392).