Third-Party Verified
Not just our claims.
Verified facts.
Not just our claims.
Verified facts.
Every SHIELD product is independently tested and certified by recognized third-party organizations. We do not just tell you it works - independent labs verify every claim.
Every SHIELD product is independently tested and certified by recognized third-party organizations. We do not just tell you it works - independent labs verify every claim.
NSF/ANSI 42
Aesthetic effects
What this means
Certifies improvement of taste, odor, and clarity by reducing chlorine and particulates.
Applies to
PALADIN
Guardian
Standards covered
Chlorine Reduction
Taste Improvement
Odor Improvement
Particulate Reduction
NSF/ANSI 53
Health Effects
What this means
Certifies reduction of health-related contaminants including lead, cysts, and other harmful substances.
Applies to
PALADIN
Standards covered
Lead Reduction
Cyst Reduction
Mercury Reduction
Arsenic Reduction
NSF/ANSI 60
Drinking Water Treatment Chemicals
What this means
Certifies that components and materials used in water treatment do not add harmful contaminants.
Applies to
Scale Control
Standards covered
Material Safety
Chemical Purity
No Harmful Leaching
NSF/ANSI 61
Drinking Water System Components
What this means
Certifies that system components in contact with drinking water meet public health requirements.
Applies to
ALL SHIELD PRODUCTS
Standards covered
Material Safety
Lead-Free Compliance
No Harmful Leaching
NSF/ANSI P473
PFAS/PFOA/PFOS Reductions
What this means
The most rigorous standard for PFAS (forever chemical) reduction - tests for PFOA and PFOS removal.
Applies to
PALADIN
Standards covered
PFAS Reduction
PFOA Reduction
PFAS Reduction
IAPMO
PLUMBING CODE COMPLIANCE
What this means
International Association of Plumbing and Mechanical Officials certification for code compliance.
Applies to
ALL SHIELD PRODUCTS
Standards covered
Uniform Plumbing Code
Installation Standards
Manufacturing Standards
WQA Gold Seal
Industry Certification
What this means
Water Quality Association independent third-party validation of product performance claims.
Applies to
Paladin
Guardian
Standards covered
Performance Validation
Quality Assurance
Manufacturing Standards
EPA WaterSense
Water Efficiency
What this means
Meets EPA criteria for water efficiency and performance
Applies to
ALL SHIELD PRODUCTS
Standards covered
Water Conservation
Performance Efficiency
Environmental Responsibility
For architects & engineers
Specifying SHIELD in a project?
SHIELD certification documents, cut sheets, and submittal packages are available through the Contact Us page. NSF public certification database links are also provided for independent verification.
Download spec sheet
✓ Full-Specification Sheets
✓ NSF/ANSI 53 & P473 full documents
✓ Contaminant Reduction Datasheet
✓ Submittal Package Template
✓ Flow Rate & Pressure Drop Data
✓ IAPMO Certification Document
Available in the A&E portal:
NSF/ANSI 42
Aesthetic effects
What this means
Certifies improvement of taste, odor, and clarity by reducing chlorine and particulates.
Applies to
PALADIN
Guardian
Standards covered
Chlorine Reduction
Taste Improvement
Odor Improvement
Particulate Reduction
NSF/ANSI 42
Aesthetic effects
What this means
Certifies improvement of taste, odor, and clarity by reducing chlorine and particulates.
Applies to
PALADIN
Guardian
Standards covered
Chlorine Reduction
Taste Improvement
Odor Improvement
Particulate Reduction
NSF/ANSI 53
Health Effects
What this means
Certifies reduction of health-related contaminants including lead, cysts, and other harmful substances.
Applies to
PALADIN
Standards covered
Lead Reduction
Cyst Reduction
Mercury Reduction
Arsenic Reduction
NSF/ANSI 53
Health Effects
What this means
Certifies reduction of health-related contaminants including lead, cysts, and other harmful substances.
Applies to
PALADIN
Standards covered
Lead Reduction
Cyst Reduction
Mercury Reduction
Arsenic Reduction
NSF/ANSI 60
Drinking Water Treatment Chemicals
What this means
Certifies that components and materials used in water treatment do not add harmful contaminants.
Applies to
Scale Control
Standards covered
Material Safety
Chemical Purity
No Harmful Leaching
NSF/ANSI 60
Drinking Water Treatment Chemicals
What this means
Certifies that components and materials used in water treatment do not add harmful contaminants.
Applies to
Scale Control
Standards covered
Material Safety
Chemical Purity
No Harmful Leaching
NSF/ANSI 61
Drinking Water System Components
What this means
Certifies that system components in contact with drinking water meet public health requirements.
Applies to
ALL SHIELD PRODUCTS
Standards covered
Material Safety
Lead-Free Compliance
No Harmful Leaching
NSF/ANSI 61
Drinking Water System Components
What this means
Certifies that system components in contact with drinking water meet public health requirements.
Applies to
ALL SHIELD PRODUCTS
Standards covered
Material Safety
Lead-Free Compliance
No Harmful Leaching
NSF/ANSI P473
PFAS/PFOA/PFOS Reductions
What this means
The most rigorous standard for PFAS (forever chemical) reduction - tests for PFOA and PFOS removal.
Applies to
PALADIN
Standards covered
PFAS Reduction
PFOA Reduction
PFAS Reduction
NSF/ANSI P473
PFAS/PFOA/PFOS Reductions
What this means
The most rigorous standard for PFAS (forever chemical) reduction - tests for PFOA and PFOS removal.
Applies to
PALADIN
Standards covered
PFAS Reduction
PFOA Reduction
PFAS Reduction
IAPMO
PLUMBING CODE COMPLIANCE
What this means
International Association of Plumbing and Mechanical Officials certification for code compliance.
Applies to
ALL SHIELD PRODUCTS
Standards covered
Uniform Plumbing Code
Installation Standards
Manufacturing Standards
IAPMO
PLUMBING CODE COMPLIANCE
What this means
International Association of Plumbing and Mechanical Officials certification for code compliance.
Applies to
ALL SHIELD PRODUCTS
Standards covered
Uniform Plumbing Code
Installation Standards
Manufacturing Standards
WQA Gold Seal
Industry Certification
What this means
Water Quality Association independent third-party validation of product performance claims.
Applies to
Paladin
Guardian
Standards covered
Performance Validation
Quality Assurance
Manufacturing Standards
WQA Gold Seal
Industry Certification
What this means
Water Quality Association independent third-party validation of product performance claims.
Applies to
Paladin
Guardian
Standards covered
Performance Validation
Quality Assurance
Manufacturing Standards
EPA WaterSense
Water Efficiency
What this means
Meets EPA criteria for water efficiency and performance
Applies to
ALL SHIELD PRODUCTS
Standards covered
Water Conservation
Performance Efficiency
Environmental Responsibility
EPA WaterSense
Water Efficiency
What this means
Meets EPA criteria for water efficiency and performance
Applies to
ALL SHIELD PRODUCTS
Standards covered
Water Conservation
Performance Efficiency
Environmental Responsibility
For architects & engineers
Specifying SHIELD in a project?
SHIELD certification documents, cut sheets, and submittal packages are available through the Contact Us page. NSF public certification database links are also provided for independent verification.
Download spec sheet
✓ Full-Specification Sheets
✓ NSF/ANSI 53 & P473 full documents
✓ Contaminant Reduction Datasheet
✓ Submittal Package Template
✓ Flow Rate & Pressure Drop Data
✓ IAPMO Certification Document
Available in the A&E portal:
Whole-home water defense. Independently certified. Professionally installed.
Always working.
© 2026 Crusader Manufacturing · All rights reserved
Whole-home water defense. Independently certified. Professionally installed.
Always working.
© 2026 Crusader Manufacturing · All rights reserved
Whole-home water defense. Independently certified. Professionally installed.
Always working.
© 2026 Crusader Manufacturing · All rights reserved