The Apollo SV-2 is a low-volume twin-window mask with tempered-glass lenses and a soft silicone skirt. Its medium–large adult fit guide makes it a useful model to try when a compact mask feels tight around the nose or cheeks.
Features and benefits
- Twin tempered-glass windows give you a framed mask with replaceable lens options.
- A double-flanged silicone skirt provides a flexible contact surface.
- Push-button buckles on swivelling mounts allow quick strap adjustment.
- A protective plastic box is supplied for storage.
- Compatible negative corrective lenses are available separately.
Technical Specs
| Specification | Details |
|---|---|
| Lens material | Twin tempered glass |
| Frame | Framed, low-volume design |
| Skirt | Double-flanged silicone |
| Fit guide | Medium–large adult; individual fit varies |
| Adjustment | Push-button buckles with swivelling attachments |
| Included | Mask and protective box |
Choosing the fit
Hold the mask gently against your face with the strap out of the way. Keep hair clear of the silicone skirt and check the seal, nose clearance and pressure around your brow and cheeks. Use only light strap tension: tightening the strap cannot correct an unsuitable skirt shape. If you are buying a gift, ask our Hallam team about fitting before choosing by appearance alone.
Care and storage
Rinse in fresh water, dry in the shade and protect the lens in a case. Follow the supplied cleaning instructions and use only a suitable anti-fog treatment. Avoid toothpaste, abrasive cleaners and flame treatments, especially on plastic or coated lenses. Check the skirt and buckles before use.

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