See underneath Tap Parts Description to see / buy Tap Parts for Lamona Hi- Tech Monobloc TAP3407

Cartridge: Tap dripping from the Spout ? Guide to changing Cartridge here.
O Rings: Tap dripping where the spout meets the base of the Tap? Guide here.
Aerator: Found at the tip of the spout.

Lamona Chrome Hi Tech Tap3407