Independence Day Sale — up to 15% off WellBefore + 6% off everything else

SDI Diagnostics Spirotube Mouthpieces

4.8
50,000+ Reviews

Independence Day Sale

June 25th - July 5th

Celebrate Freedom. Stay Protected.

Applied automatically at checkout

6% OFF
Select application first.

  • Made in the United States
  • Buy American Act (BAA) compliant
  • Trade Agreement Act (TAA) compliant
  • Disposable single-use design
  • Compatible with spirometers and peak flow meters
  • Available in bulk packaging for clinical use
Popular Choice

$25.64 $26.99

Savings: $1.35 (5% Off)

HSA/FSA Eligible

Pay with your health savings account

Subject to guarantee terms (one claim per customer/year). How does this work?

No refunds, exchanges or returns
FREE Shipping on orders $79+
Sold out

Cancel anytime

Cancel your subscription anytime without penalties or fees.

Flexible schedule

Skip deliveries or adjust frequency anytime. Full control over your schedule.

Price: $26.99

HSA/FSA Eligible

Pay with your health savings account

Subject to guarantee terms (one claim per customer/year). How does this work?

No refunds, exchanges or returns
FREE Shipping on orders $79+
Sold out

Love this product? Share it & earn 10% off

Your friends save up to 20% too →


  • Made in the United States
  • Buy American Act (BAA) compliant
  • Trade Agreement Act (TAA) compliant
  • Disposable single-use design
  • Compatible with spirometers and peak flow meters
  • Available in bulk packaging for clinical use

Check out also


SDI Diagnostics Spirotube Mouthpieces

Disposable mouthpieces designed for use with spirometers and peak flow meters. These single-use accessories provide hygienic patient interface for respiratory function testing.

Product Specifications

  • Manufactured by SDI Diagnostics in the United States
  • Buy American Act (BAA) compliant
  • Trade Agreement Act (TAA) compliant
  • Available in standard mouthpiece and peak flow mouthpiece configurations
  • Packaged in bulk quantities for clinical settings

These disposable mouthpieces are essential accessories for respiratory diagnostic equipment, ensuring proper patient interface during pulmonary function testing procedures.



We will get back to you as soon as possible.

virtual consultant in office

Why you should choose

  • COMPETITIVE PRICING

    We offer high-quality products at lower prices than Amazon. With bulk orders get a special discount for the ultimate deal.

  • OUTSTANDING
    CUSTOMER SUPPORT

    Our Wellness Advisors provide seamless support for all your queries, concerns, and order issues. Count on us hassle-free returns, refunds, and more.

  • FAST SHIPPING

    Based in Texas, our warehouse dispatches orders within 24 business hours, often delighting clients with early deliveries.

  • RETURN &
    REFUND POLICY

    To learn about our flexible return and refund policy, please click here.