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The AT-R series are single-barbed by male NPT threads tee adapters. Available in black and natural nylon, glass-filled nylon, natural and white polypropylene, PVDF, and polyethylene that is NSF 51/61 listed. Thread sizes range from 1/8 inch to 1 inch. Barb sizes range from 1/4 inch to 1 inch.
AT-R Series Tee Adapter Fittings
Unit of Measure
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Item #

Item Name

Thread Size

Thread Type

Barb Size

Material

AT-R-8M8B-NN N/A AT-R Series 1/2 Inch (in) Size Male National Pipe Thread (MNPT), 1/2 Inch (in) Barb Size, and Natural Nylon Tee Adapter Fitting N/A 1/2 in N/A Male National Pipe Thread (MNPT) N/A 1/2 in N/A Natural Nylon
AT-R-8M8B-PE-NSF N/A AT-R Series 1/2 Inch (in) Size Male National Pipe Thread (MNPT), 1/2 Inch (in) Barb Size, and Polyethylene Tee Adapter Fitting N/A 1/2 in N/A Male National Pipe Thread (MNPT) N/A 1/2 in N/A Polyethylene
AT-R-8M8B-NPP N/A AT-R Series 1/2 Inch (in) Size Male National Pipe Thread (MNPT), 1/2 Inch (in) Barb Size, and Natural Polypropylene Tee Adapter Fitting N/A 1/2 in N/A Male National Pipe Thread (MNPT) N/A 1/2 in N/A Natural Polypropylene
AT-R-8M8B-PVDF N/A AT-R Series 1/2 Inch (in) Size Male National Pipe Thread (MNPT), 1/2 Inch (in) Barb Size, and Polyvinylidene Fluoride (PVDF) Tee Adapter Fitting N/A 1/2 in N/A Male National Pipe Thread (MNPT) N/A 1/2 in N/A Polyvinylidene Fluoride (PVDF)
AT-R-8M8B-WPP N/A AT-R Series 1/2 Inch (in) Size Male National Pipe Thread (MNPT), 1/2 Inch (in) Barb Size, and White Polypropylene Tee Adapter Fitting N/A 1/2 in N/A Male National Pipe Thread (MNPT) N/A 1/2 in N/A White Polypropylene
AT-R-12M12B-BN N/A AT-R Series 3/4 Inch (in) Size Male National Pipe Thread (MNPT), 3/4 Inch (in) Barb Size, and Black Nylon Tee Adapter Fitting N/A 3/4 in N/A Male National Pipe Thread (MNPT) N/A 3/4 in N/A Black Nylon
AT-R-12M12B-GFBN N/A AT-R Series 3/4 Inch (in) Size Male National Pipe Thread (MNPT), 3/4 Inch (in) Barb Size, and Glass-Filled Black Nylon Tee Adapter Fitting N/A 3/4 in N/A Male National Pipe Thread (MNPT) N/A 3/4 in N/A Glass-Filled Black Nylon
AT-R-12M12B-NN N/A AT-R Series 3/4 Inch (in) Size Male National Pipe Thread (MNPT), 3/4 Inch (in) Barb Size, and Natural Nylon Tee Adapter Fitting N/A 3/4 in N/A Male National Pipe Thread (MNPT) N/A 3/4 in N/A Natural Nylon
AT-R-12M12B-PE-NSF N/A AT-R Series 3/4 Inch (in) Size Male National Pipe Thread (MNPT), 3/4 Inch (in) Barb Size, and Polyethylene Tee Adapter Fitting N/A 3/4 in N/A Male National Pipe Thread (MNPT) N/A 3/4 in N/A Polyethylene
AT-R-12M12B-NPP N/A AT-R Series 3/4 Inch (in) Size Male National Pipe Thread (MNPT), 3/4 Inch (in) Barb Size, and Natural Polypropylene Tee Adapter Fitting N/A 3/4 in N/A Male National Pipe Thread (MNPT) N/A 3/4 in N/A Natural Polypropylene
AT-R-12M12B-PVDF N/A AT-R Series 3/4 Inch (in) Size Male National Pipe Thread (MNPT), 3/4 Inch (in) Barb Size, and Polyvinylidene Fluoride (PVDF) Tee Adapter Fitting N/A 3/4 in N/A Male National Pipe Thread (MNPT) N/A 3/4 in N/A Polyvinylidene Fluoride (PVDF)
AT-R-12M12B-WPP N/A AT-R Series 3/4 Inch (in) Size Male National Pipe Thread (MNPT), 3/4 Inch (in) Barb Size, and White Polypropylene Tee Adapter Fitting N/A 3/4 in N/A Male National Pipe Thread (MNPT) N/A 3/4 in N/A White Polypropylene
AT-R-12M16B-BN N/A AT-R Series 3/4 Inch (in) Size Male National Pipe Thread (MNPT), 1 Inch (in) Barb Size, and Black Nylon Tee Adapter Fitting N/A 3/4 in N/A Male National Pipe Thread (MNPT) N/A 1 in N/A Black Nylon
AT-R-12M16B-GFBN N/A AT-R Series 3/4 Inch (in) Size Male National Pipe Thread (MNPT), 1 Inch (in) Barb Size, and Glass-Filled Black Nylon Tee Adapter Fitting N/A 3/4 in N/A Male National Pipe Thread (MNPT) N/A 1 in N/A Glass-Filled Black Nylon
AT-R-12M16B-NN N/A AT-R Series 3/4 Inch (in) Size Male National Pipe Thread (MNPT), 1 Inch (in) Barb Size, and Natural Nylon Tee Adapter Fitting N/A 3/4 in N/A Male National Pipe Thread (MNPT) N/A 1 in N/A Natural Nylon
AT-R-12M16B-PE-NSF N/A AT-R Series 3/4 Inch (in) Size Male National Pipe Thread (MNPT), 1 Inch (in) Barb Size, and Polyethylene Tee Adapter Fitting N/A 3/4 in N/A Male National Pipe Thread (MNPT) N/A 1 in N/A Polyethylene
AT-R-12M16B-NPP N/A AT-R Series 3/4 Inch (in) Size Male National Pipe Thread (MNPT), 1 Inch (in) Barb Size, and Natural Polypropylene Tee Adapter Fitting N/A 3/4 in N/A Male National Pipe Thread (MNPT) N/A 1 in N/A Natural Polypropylene
AT-R-12M16B-PVDF N/A AT-R Series 3/4 Inch (in) Size Male National Pipe Thread (MNPT), 1 Inch (in) Barb Size, and Polyvinylidene Fluoride (PVDF) Tee Adapter Fitting N/A 3/4 in N/A Male National Pipe Thread (MNPT) N/A 1 in N/A Polyvinylidene Fluoride (PVDF)
AT-R-12M16B-WPP N/A AT-R Series 3/4 Inch (in) Size Male National Pipe Thread (MNPT), 1 Inch (in) Barb Size, and White Polypropylene Tee Adapter Fitting N/A 3/4 in N/A Male National Pipe Thread (MNPT) N/A 1 in N/A White Polypropylene
AT-R-12M4B-BN N/A AT-R Series 3/4 Inch (in) Size Male National Pipe Thread (MNPT), 1/4 Inch (in) Barb Size, and Black Nylon Tee Adapter Fitting N/A 3/4 in N/A Male National Pipe Thread (MNPT) N/A 1/4 in N/A Black Nylon
AT-R-12M4B-GFBN N/A AT-R Series 3/4 Inch (in) Size Male National Pipe Thread (MNPT), 1/4 Inch (in) Barb Size, and Glass-Filled Black Nylon Tee Adapter Fitting N/A 3/4 in N/A Male National Pipe Thread (MNPT) N/A 1/4 in N/A Glass-Filled Black Nylon
AT-R-12M4B-NN N/A AT-R Series 3/4 Inch (in) Size Male National Pipe Thread (MNPT), 1/4 Inch (in) Barb Size, and Natural Nylon Tee Adapter Fitting N/A 3/4 in N/A Male National Pipe Thread (MNPT) N/A 1/4 in N/A Natural Nylon
AT-R-12M4B-PE-NSF N/A AT-R Series 3/4 Inch (in) Size Male National Pipe Thread (MNPT), 1/4 Inch (in) Barb Size, and Polyethylene Tee Adapter Fitting N/A 3/4 in N/A Male National Pipe Thread (MNPT) N/A 1/4 in N/A Polyethylene
AT-R-12M4B-NPP N/A AT-R Series 3/4 Inch (in) Size Male National Pipe Thread (MNPT), 1/4 Inch (in) Barb Size, and Natural Polypropylene Tee Adapter Fitting N/A 3/4 in N/A Male National Pipe Thread (MNPT) N/A 1/4 in N/A Natural Polypropylene
AT-R-12M4B-PVDF N/A AT-R Series 3/4 Inch (in) Size Male National Pipe Thread (MNPT), 1/4 Inch (in) Barb Size, and Polyvinylidene Fluoride (PVDF) Tee Adapter Fitting N/A 3/4 in N/A Male National Pipe Thread (MNPT) N/A 1/4 in N/A Polyvinylidene Fluoride (PVDF)
Unit of Measure
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