Which hydration system will fit the 10" x 10" zippered "hydration pocket" in the Arc'teryx Bora 80 pack? Seems as though they're all too long (e.g., the MSR Dromedary 2.5L is 7.5"x14".

Tech Specs:

Material:

[lining] Invista HT Ripstorm (210D nylon), Invista HT Ripstorm (420D nylon), Invista HT Superpack (630D nylon) 

Support/Suspension:

V-stay frame, molded back panel 

Shoulder Straps:

thermo-molded 

Waist-Belt:

yes, thermo-molded 

Hydration Compatible:

yes, hose clip 

Reservoir Included:

no 

Detachable Lid:

yes, with intergrated hip belt 

Access:

top, side, bottom 

Pockets:

2 lid, 1 front, 2 side water bottle 

Sleeping Bag Compartment:

yes 

Weight:

6 lbs 9 oz 

Volume:

(short) 72-81 L, (medium) 77-86 L, (long) 82-92 L 

Recommended Use:

weekend to week-long backpacking trips 

Manufacturer Warranty:

lifetime