Description
May contain traces of peanut and other tree nuts
(9" x 14") Illiterate Tumbling E optotype chart for vision testing at 20 feet
Features a one-way valve that does not allow air to enter a choking victim on the downward motion
The diaphragm is extra sensitive for greater amplification and higher frequency response
Plastic Isolation Mask Set SNS Exclusive May contain traces of peanutSet of 2 masks have openings to isolate characters within a chart during a vision test. These isolation masks are constructed of plastic to make sliding over charts a breeze. Set features two masks with different size openings in each (1 2" and 1").
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
