Best Scuba Diving Regulators in 2025Scuba regulators have come a long way since the early days of Jacques Cousteau’s demand regulator. Best Scuba Regulator Line Up 2025Our 2025 lineup spans entry-level to professional-grade regulators, priced in GBP and USD. We’ve looked at 12 current models based on breathing performance, cold-water reliability, weight, travel-friendliness, and ease of servicing. Dive Rite FT1 and XT2 Second StageThe XT2 second stage is lightweight, rugged, and delivers smooth, adjustable airflow: built for cave, wreck, and tech diving. Best for Cold Water: Halcyon H-75P + Halo Second Stage – Trusted by techies for a reason.