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*Internal testing Mirandola (various 2005-2008).
1. LelloucheF,TailléS,LefrançoisF,etal.Humidicationperformanceof48passive
airwayhumidiers:comparisonwithmanufacturerdata.Chest.2009;135(2):276-286.
2. MHRA.Evaluationno.04005:Breathingsystemlters,anassessmentof104
breathingsystemlters.March2004.
3. NelsonLaboratoriesInc.Sodiumchlorideaerosoltestingofbreathingsystemlters
(BSF). Lab.No. 399951A.1 Amended. January 2008.
4. TIM, Technologie-Institut Medizin GmbH - Universitätsklinikum Göttingen, Germany.
HME-Test Report 2008/22 DAR Hygrobac “S”. July 2008.
5. TIM, Technologie-Institut Medizin GmbH - Universitätsklinikum Göttingen, Germany.
HME-Test. Report 2009/04 DAR Hygroster. May 2009.
6. NelsonLaboratoriesInc.Sodiumchlorideaerosoltestingofbreathingsystemlters
(BSF). Lab.No. 717597. November 2013.
ELECTROSTATIC FILTER HMEs
Large Small Small, Angled Port Pediatric Infant-Pediatric
Catalog number 352U5805 352U5877 352U5996 355U5430 355U5427
Quantity/box 50 50 50 50 50
Recommended tidal volume 300-1500 mL 150-120 0 mL 150-120 0 mL 75-300 mL 30-10 0 mL
Moisture output
Vt 50 mL --- --- --- --- 28 mg H
2
O/L
2
Vt 250 mL 33.9 mg H
2
O/L
2
34.4 mg H
2
O/L
4
34.4 mg H
2
O/L
4
31 mg H
2
O/L
2
---
Vt 500 mL 33.3 mg H
2
O/L
2
33.6 mg H
2
O/L
2
33.6 mg H
2
O/L
2
--- ---
Vt 1000 mL 32.4 mg H
2
O/L
2
32.9 mg H
2
O/L
4
32.9 mg H
2
O/L
4
--- ---
Moisture loss* 6 mg H
2
O/L at Vt 500 mL 6 mg H
2
O/L at Vt 500 mL
4
6 mg H
2
O/L at Vt 500 mL 6 mg H
2
O/L at Vt 75 mL NA
Resistance to ow before use (ISO 9360)
5 L/min --- --- --- --- 0.6 cm H
2
O
15 L/min --- --- --- 1.4 cm H
2
O 2.5 cm H
2
O
30 L/min 1.0 cm H
2
O 1.2 cm H
2
O 1.2 cm H
2
O 3.0 cm H
2
O ---
60 L/min 2.1 cm H
2
O 2.8 cm H
2
O 2.9 cm H
2
O --- ---
90 L/min 3.7 cm H
2
O 4.8 cm H
2
O 5.2 cm H
2
O --- ---
Filtration eciency
Bacterial >99.9999% >99.9998% >99.9998% >99.999% >99.999%
Viral >99.998% >99.999% >99.999% >99.99% >99.99%
NaCl
3
>99.623% >98.352%
6
>98.352%
6
>96.263% >94.186%
Internal volume 93 mL 51 mL 61 mL 29 mL 10 mL
Weight (approx.) 48 g 28 g 29 g 21 g 9 g
Type of ltration Electrostatic Electrostatic Electrostatic Electrostatic Electrostatic
DAR
™
lterHMEshavebeentestedagainstmicrobesassmallas0.02µ.
MECHANICAL FILTER HMEs
Large
Catalog number 354U5876
Quantity/box 50
Recommended tidal volume 300-1500 mL
Moisture output
Vt 50 mL ---
Vt 250 mL 34.7 mg H
2
O/L
5
Vt 500 mL 34.1 mg H
2
O/L
2
Vt 1000 mL 33.4 mg H
2
O/L
5
Moisture loss* 5 mg H
2
O/L at Vt 500 mL
5
Resistance to ow before use (ISO 9360)
5 L/min ---
15 L/min ---
30 L/min 1.1 cm H
2
O
60 L/min 2.5 cm H
2
O
90 L/min 4.2 cm H
2
O
Filtration eciency:
Bacterial >99.9999%
Viral >99.9999%
NaCl
4
>99.764%
Internal volume 96 mL
Weight (approx.) 49 g
Type of ltration Mechanical
DAR
™
lterHMEshavebeentestedagainstmicrobesassmallas0.02µ.