Viega 61030 5/8 inch Pex Press Sleeves | AF Supply
Apollo 1/2 in. Stainless Steel PEX-B Crimp Sleeve (25-Pack) PXSS1225PK - The Home Depot
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Apollo 1/2 In. Stainless Steel PEX Crimp Sleeve (25-Pack) - Baller Hardware
PEX SS CRIMP SLEEVE 1 - CRIMP RINGS - CB PEX and PE-RT - American Granby
Apollo 3/4 in. Stainless Steel PEX-B Crimp Sleeve (25-Pack) PXSS3425PK - The Home Depot