Dwyer Sight flow indicators Type
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![Dwyer SFI-550-1-1/4 Sight window | 1-1/4" male NPT. | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/550_600x600_63849f18-1e19-4f95-9f39-2e951fc4e724_medium.gif?v=1688836259)
SFI-550-1-1 / 4 | Sight window | 1-1 / 4" male NPT. | Dwyer
Brand: Dwyer
SKU: SFI-550-1-1/4
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![Dwyer SFI-550-2 Sight window | 2" male NPT. | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/550_600x600_43c953c1-facd-4280-bc57-da05d33b49b7_medium.gif?v=1688836788)
SFI-550-2 | Sight window | 2" male NPT. | Dwyer
Brand: Dwyer
SKU: SFI-550-2
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![Dwyer SFI-550-1 Sight window | 1" male NPT. | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/550_600x600_699e64a8-df4e-43e7-9369-f77a84f3b699_medium.gif?v=1688836668)
SFI-550-1 | Sight window | 1" male NPT. | Dwyer
Brand: Dwyer
SKU: SFI-550-1
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![Dwyer SFI-550-3/4 Sight window | 3/4" male NPT. | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/550_600x600_d55e8701-6f40-4001-bb52-0d76585c5471_medium.gif?v=1688838789)
SFI-550-3 / 4 | Sight window | 3 / 4" male NPT. | Dwyer
Brand: Dwyer
SKU: SFI-550-3/4
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![Dwyer SFI-500B-3/4 Sight window | 3/4" male NPT. | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/500_600x600_9f070c5f-0950-4ba6-9235-65d6bf35ad2b_medium.gif?v=1688837592)
SFI-500B-3 / 4 | Sight window | 3 / 4" male NPT. | Dwyer
Brand: Dwyer
SKU: SFI-500B-3/4
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![Dwyer SFI-550-1/2 Sight window | 1/2" male NPT. | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/550_600x600_bf672356-506c-4887-b46c-8e2f6244d2e0_medium.gif?v=1688837841)
SFI-550-1 / 2 | Sight window | 1 / 2" male NPT. | Dwyer
Brand: Dwyer
SKU: SFI-550-1/2
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![Dwyer SFI-500CS-1-1/4 Sight window | 1-1/4" male NPT. | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/500_600x600_4ef8f14f-4100-4abb-8f8b-cb25ec51c407_medium.gif?v=1688838573)
SFI-500CS-1-1 / 4 | Sight window | 1-1 / 4" male NPT. | Dwyer
Brand: Dwyer
SKU: SFI-500CS-1-1/4
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