5
Products in the lineup
4
Third-party certifications
>99.95%
Lead reduction | PALADIN
The SHIELD product line
The right protection
for every home.
Every SHIELD system is built on the SHIELD core housing platform. Protection level is determined by the filter cartridge - specified by your certified dealer based on your home's actual water profile.
The SHIELD product line
The right protection
for every home.
Every SHIELD system is built on the SHIELD core housing platform. Protection level is determined by the filter cartridge - specified by your certified dealer based on your home's actual water profile.
5
Products in the lineup
4
Third-party certifications
>99.95%
Lead reduction | PALADIN
Primary systems
Primary systems
Your dealer specifies the right system based on your water profile. Choose one primary system.
Choose your protection.
Choose your protection.
Your dealer specifies the right system based on your water profile. Choose one primary system.
Your dealer specifies the right system based on your water profile. Choose one primary system.
Choose your protection.
WHOLE HEALTH PROTECTION
SHIELD PALADIN
• NSF/ANSI 53 - Lead & cyst
• NSF/ANSI P473 - PFOA/PFOS
• IAPMO - Plumbing code
The most complete health protection in the SHIELD lineup. Certified to remove soluble and particulate lead, PFOA, PFOS, Giardia, Cryptosporidium, chlorine, and chloramine at the whole-home entry point.
What it Removes:
Learn More
Lead - Soluble & Particulate
Taste & Odor Improvement
PFOA & PFOS (Forever Chemicals)
Chlorine & Chloramine Reduction
Giardia & Crypto Cysts >99.95%
Carbon block filtration
• NSF/ANSI 61
• CA PROP 65 COMPLIANT
• IAPMO - Plumbing code
SHIELD
GUARDIAN
Advanced carbon block filtration for homes where the priority is taste, odor, chlorine, and chloramine reduction. Two variants matched to your water profile by your certified dealer - chlorine-optimized and chloramine-optimized.
Does not remove lead or PFAS. For homes with documented lead or PFAS risk, your dealer will specify PALADIN.
Learn More
Chlorine Reduction (Guardian 20)
Chloramine Reduction (Guardian 20A)
Taste & Odor Improvement
What it Does:
Active Armour phosphate technology controls scale formation and inhibits corrosion throughout your plumbing system and appliances. Installed in parallel alongside PALADIN or GUARDIAN in hard-water areas.
Learn More
SCALE & CORROSION CONTROL
• NSF/ANSI 60 - Safety Control
• IAPMO - Plumbing code
SHIELD SCALE CONTROL
Inhibits Carbonate Scale Formation
Protective Phosphate Layer on Pipes
No Salt, No Sodium, No Chemicals
What it Does:
Does not soften water. Minerals remain in solution. This is NOT a water softener.
WHOLE HEALTH PROTECTION
SHIELD
PALADIN
Lead Removal
Chlorine/Chloramine Reduction
PFOA/PFAS Reduction
Learn More
CARBON BLOCK FILTRATION
SHIELD
GUARDIAN
Chlorine/Chloramine Removal
Improves Tastes and Odors
20-micron Filtration
Learn More
SCALE & CORROSION CONTROL
SHIELD
SCALE CONTROL
Reduces Hard Water Scale
Inhibits Corrosion
Increase Appliance Life
Learn More
WHOLE HEALTH PROTECTION
SHIELD PALADIN
• NSF/ANSI 53 - Lead & cyst
• NSF/ANSI P473 - PFOA/PFOS
• IAPMO - Plumbing code
Learn More
The most complete health protection in the SHIELD lineup. Certified to remove soluble and particulate lead, PFOA, PFOS, Giardia, Cryptosporidium, chlorine, and chloramine at the whole-home entry point.
Carbon block filtration
• NSF/ANSI 61
• CA PROP 65 COMPLIANT
• IAPMO - Plumbing code
SHIELD
GUARDIAN
Advanced carbon block filtration for homes where the priority is taste, odor, chlorine, and chloramine reduction. Two variants matched to your water profile by your certified dealer - chlorine-optimized and chloramine-optimized.
Does not remove lead or PFAS. For homes with documented lead or PFAS risk, your dealer will specify PALADIN.
Learn More
Active Armour phosphate technology controls scale formation and inhibits corrosion throughout your plumbing system and appliances. Installed in parallel alongside PALADIN or GUARDIAN in hard-water areas.
Learn More
SCALE & CORROSION CONTROL
• NSF/ANSI 60 - Safety Control
• IAPMO - Plumbing code
SHIELD SCALE CONTROL
Does not soften water. Minerals remain in solution. This is NOT a water softener.
Add-ons & upstream protection
Complete your system.
Specified by your dealer based on your water profile and usage patterns.
Complete your system.
Upstream sediment pre-filtration
SHIELD PREFILTER
Dual-gradient pleated sediment options protect downstream SHIELD filter cartridges from particulate load, extending primary filter life and maintaining peak flow performance. Available in 5 - 50 micron options.
• Dual-Gradient Pleated - 5 to 50 micron
• Extends Life of Primary Filter Cartridge
• Point-of-Entry (POE) Installation
See PREFILTER details →
EVERY SYSTEM. SMART.
SHIELD IQ
Connects your SHIELD system to the My Crusader iPhone app. Real-time filter life monitoring, dealer service routing, direct shop access, and automatic reorder capability.
• Real-Time Filter Monitoring
• Easy, Simple Reordering
• iPhone App - No Hub Required
See SHIELD IQ details →
Add-ons & upstream protection
Complete your system.
Specified by your dealer based on your water profile and usage patterns.
Specified by your dealer based on your water profile and usage patterns.
Upstream sediment pre-filtration
SHIELD PREFILTER
Dual-gradient pleated sediment options protect downstream SHIELD filter cartridges from particulate load, extending primary filter life and maintaining peak flow performance. Available in 5 - 50 micron options.
• Dual-Gradient Pleated - 5 to 50 micron
• Extends Life of Primary Filter Cartridge
• Point-of-Entry (POE) Installation
See PREFILTER details →
EVERY SYSTEM. SMART.
SHIELD IQ
Connects your SHIELD system to the My Crusader iPhone app. Real-time filter life monitoring, dealer service routing, direct shop access, and automatic reorder capability.
• Real-Time Filter Monitoring
• Easy, Simple Reordering
• iPhone App - No Hub Required
See SHIELD IQ details →
Upstream sediment pre-filtration
SHIELD PREFILTER
Dual-gradient pleated sediment options protect downstream SHIELD filter cartridges from particulate load, extending primary filter life and maintaining peak flow performance. Available in 5 - 50 micron options.
• Dual-Gradient Pleated - 5 to 50 micron
• Extends Life of Primary Filter Cartridge
• Point-of-Entry (POE) Installation
See PREFILTER details →
EVERY SYSTEM. SMART.
SHIELD IQ
Connects your SHIELD system to the My Crusader iPhone app. Real-time filter life monitoring, dealer service routing, direct shop access, and automatic reorder capability.
• Real-Time Filter Monitoring
• Easy, Simple Reordering
• iPhone App - No Hub Required
See SHIELD IQ details →
Dealer-specified systems
Your dealer specifies
the right system.
Your dealer specifies the right system.
SHIELD systems are not one-size-fits-all. Every home has different water chemistry, usage patterns, and risk profiles. Your certified SHIELD dealer assesses your water and specifies the exact right configuration, before a single part is ordered.
SHIELD systems are not one-size-fits-all. Every home has different water chemistry, usage patterns, and risk profiles. Your certified SHIELD dealer assesses your water and specifies the exact right configuration, before a single part is ordered.
SHIELD systems are not one-size-fits-all. Every home has different water chemistry, usage patterns, and risk profiles. Your certified SHIELD dealer assesses your water and specifies the exact right configuration, before a single part is ordered.
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