Pony Hose 10ft Tandem Coupling Wildland - 450psi
https://www.wfrfire.com/shop/v-31709-pony-hose-10ft-tandem-coupling-wildland-450psi-10008
https://www.wfrfire.com/web/image/product.template/10008/image_1920?unique=22e910a
38mm (1.5") QC - for tandem hookup or first length before check valve.