Alfmeier 3 Bladders 4-Way Pneumatic Lumbar and Massage SystemEHFCVJanuary 20, 2022Body With 3 bladders in dog bone shape it can provide better support, the pump has acoustic housing and can achieve satisfying noise level. The system has LIN communication to the car network and time based memory. # Seat Share on Facebook Share on X (Twitter) Share on Pinterest Share on LinkedIn Share on WhatsApp Share on Email Share on Flipboard Previous Post HRC Air Filter Box Next Post Alfmeier 4-Way Pneumatic Lumbar and Massage System Leave a ReplyCancel ReplyYou must be logged in to post a comment.