3M Secure Click Inhale & Exhale Valve, HF-800-02General Information Brand Secure Click Product Series HF 800 Product Type Inhale & Exhale Valve Country Of Origin Poland Sold As Bag California Residents Proposition 65 Warning Dimensions and Specifications Net Weight (Metric) 0. 51 g Overall Height (Metric) 40 mm Overall Length (Metric) 7. 9 mm Overall Width (Metric) 29 mm Net Weight Metric 0. 51 Width 6. 18 in 157 mm Height 2. 4 in 61 mm Length 9. 29 in 236 mm Volume 2. 26 dm3 Weight 3. 94 oz 111. 8