| RD1 BOV 120 | underseatools.com | 17816 USD | — | — |
| iROV for Educators & Students | underseatools.com | 11029 USD | — | — |
| RD1 T-Piece, Add Valve (ADV) | underseatools.com | 8484 USD | — | — |
| RD1 Scrubber Canister, DIVE1.5 | underseatools.com | 7636 USD | — | — |
| RD1 Scrubber Canister, DIVE2.5 | underseatools.com | 7636 USD | — | — |
| RD1 Dive Surface Valve (DSV) 120 | underseatools.com | 7636 USD | — | — |
| RD1 Hose Stub Injectors | underseatools.com | 4772 USD | — | — |
| RD1 Stand | underseatools.com | 3288 USD | — | — |
| RD1 Switchblock MAV | underseatools.com | 3182 USD | — | — |
| Backplate (AL) with One-piece Harness | underseatools.com | 2970 USD | — | — |
| RD1 Manual Addition Valve (MAV) - long | underseatools.com | 2970 USD | — | — |
| Hotwater Spider Valve With Bypass for Commercial Diving | underseatools.com | 2917 USD | — | — |
| Diving Weight Harness | underseatools.com | 2864 USD | — | — |
| (RD1 Manual Addition Valve (MAV) - short | underseatools.com | 2546 USD | — | — |
| RD1 cartridge scrubber adapter set | underseatools.com | 2461 USD | — | — |
| RD1 Scrubber Canister, TERRA1.5 | underseatools.com | 2321 USD | — | — |
| RD1 Stand - Payload Cage | underseatools.com | 1591 USD | — | — |
| Utility Manifold | underseatools.com | 1528 USD | — | — |
| Valve Knob Extensions | underseatools.com | 1485 USD | — | — |
| Toggle Dump Valve - OPV | underseatools.com | 1273 USD | — | — |
| oxygen 9/16-18 UNF male to QD female | underseatools.com | 1167 USD | — | — |
| RD1 Counterlung, 4L | underseatools.com | 1082 USD | — | — |
| RD1 Water Evac Pump for Scrubber | underseatools.com | 1061 USD | — | — |
| Quick Release Bracket | underseatools.com | 849 USD | — | — |
| RD1 Counterlung, 2L | underseatools.com | 849 USD | — | — |
| Rebreather cell isolation board | underseatools.com | 743 USD | — | — |
| RD1 Scrubber Canister, spare screens (2 pack) | underseatools.com | 679 USD | — | — |
| RD1 Hose Stubs (set/2 pieces) - straights, 120s, 90s, or caps | underseatools.com | 637 USD | — | — |
| Mouthpiece Retaining Strap (MRS) - neoprene | underseatools.com | 637 USD | — | — |
| RD1 Spine Chassis | underseatools.com | 637 USD | — | — |
| Mouthpiece Retaining Strap (MRS) - silicone | underseatools.com | 637 USD | — | — |
| Cam-band 1.5” for small cylinders - 1.5” | underseatools.com | 531 USD | — | — |
| Backplate Harness Shoulder Pads | underseatools.com | 531 USD | — | — |
| RD1 Oxygen Sensor Carriage | underseatools.com | 531 USD | — | — |
| Index Pointer | underseatools.com | 531 USD | — | — |
| LP Splitter, 3/8-24 UNF female x female | underseatools.com | 531 USD | — | — |
| Vacuum Pump | underseatools.com | 531 USD | — | — |
| RD1 Scrubber Thread Adapters (pair) | underseatools.com | 510 USD | — | — |
| CEJN-style QD w/locking collar to 9/16-18 UNF male | underseatools.com | 510 USD | — | — |
| LP Swivel, 90 degrees, 9/16-18 UNF male x female | underseatools.com | 510 USD | — | — |